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1,042,392

1,042,392 is a composite number, even.

This number doesn't have a permanent NumberWiki page yet — what you see below is computed live. Pages get added to the permanent index when they're notable (years, primes, curated, etc.).

1,042,392 (one million forty-two thousand three hundred ninety-two) is an even 7-digit number. It is a composite number with 48 divisors, and factors as 2³ × 3 × 13² × 257. Its proper divisors sum to 1,790,448, more than the number itself, making it an abundant number. Written other ways, in hexadecimal, 0xFE7D8.

Abundant Number Evil Number Gapful Number Practical Number Semiperfect Number

Interestingness

Properties

Parity
Even
Digit count
7
Digit sum
21
Digit product
0
Digital root
3
Palindrome
No
Bit width
20 bits
Reversed
2,932,401
Square (n²)
1,086,581,081,664
Cube (n³)
1,132,643,426,877,900,288
Divisor count
48
σ(n) — sum of divisors
2,832,840
φ(n) — Euler's totient
319,488
Sum of prime factors
292

Primality

Prime factorization: 2 3 × 3 × 13 2 × 257

Nearest primes: 1,042,381 (−11) · 1,042,399 (+7)

Divisors & multiples

All divisors (48)
1 · 2 · 3 · 4 · 6 · 8 · 12 · 13 · 24 · 26 · 39 · 52 · 78 · 104 · 156 · 169 · 257 · 312 · 338 · 507 · 514 · 676 · 771 · 1014 · 1028 · 1352 · 1542 · 2028 · 2056 · 3084 · 3341 · 4056 · 6168 · 6682 · 10023 · 13364 · 20046 · 26728 · 40092 · 43433 · 80184 · 86866 · 130299 · 173732 · 260598 · 347464 · 521196 (half) · 1042392
Aliquot sum (sum of proper divisors): 1,790,448
Factor pairs (a × b = 1,042,392)
1 × 1042392
2 × 521196
3 × 347464
4 × 260598
6 × 173732
8 × 130299
12 × 86866
13 × 80184
24 × 43433
26 × 40092
39 × 26728
52 × 20046
78 × 13364
104 × 10023
156 × 6682
169 × 6168
257 × 4056
312 × 3341
338 × 3084
507 × 2056
514 × 2028
676 × 1542
771 × 1352
1014 × 1028
First multiples
1,042,392 · 2,084,784 (double) · 3,127,176 · 4,169,568 · 5,211,960 · 6,254,352 · 7,296,744 · 8,339,136 · 9,381,528 · 10,423,920

Sums & aliquot sequence

As consecutive integers: 347,463 + 347,464 + 347,465 80,178 + 80,179 + … + 80,190 65,142 + 65,143 + … + 65,157 26,709 + 26,710 + … + 26,747
Aliquot sequence: 1,042,392 1,790,448 3,256,848 7,546,032 16,150,368 29,509,008 56,030,160 118,887,216 249,327,312 463,127,088 733,284,680 947,740,720 1,260,265,280 1,740,742,180 1,916,858,900 2,628,329,356 2,215,455,604 — unresolved within range

Continued fraction of √n

√1,042,392 = [1020; (1, 40, 1, 2, 17, 3, 1, 2, 1, 11, 2, 1, 6, 2, 3, 1, 1, 2, 6, 1, 2, 1, 1, 1, …)]

Representations

In words
one million forty-two thousand three hundred ninety-two
Ordinal
1042392nd
Binary
11111110011111011000
Octal
3763730
Hexadecimal
0xFE7D8
Base64
D+fY
One's complement
4,293,924,903 (32-bit)
Scientific notation
1.042392 × 10⁶
As a duration
1,042,392 s = 12 days, 1 hour, 33 minutes, 12 seconds
In other bases
ternary (3) 1221221220010
quaternary (4) 3332133120
quinary (5) 231324032
senary (6) 34201520
septenary (7) 11601021
nonary (9) 1857803
undecimal (11) 65218a
duodecimal (12) 4232a0
tridecimal (13) 2a6600
tetradecimal (14) 1d1c48
pentadecimal (15) 158ccc

As an angle

1,042,392° = 2,895 × 360° + 192°
192° ≈ 3.351 rad
Compass bearing: SSW (south-southwest)

Historical numeral systems

Babylonian (base 60)
𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒁹𒁹𒁹 𒌋𒁹𒁹
Egyptian hieroglyphic
𓁨𓂍𓂍𓂍𓂍𓆼𓆼𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓏺𓏺
Chinese
一百零四萬二千三百九十二
Chinese (financial)
壹佰零肆萬貳仟參佰玖拾貳
In other modern scripts
Eastern Arabic ١٠٤٢٣٩٢ Devanagari १०४२३९२ Bengali ১০৪২৩৯২ Tamil ௧௦௪௨௩௯௨ Thai ๑๐๔๒๓๙๒ Tibetan ༡༠༤༢༣༩༢ Khmer ១០៤២៣៩២ Lao ໑໐໔໒໓໙໒ Burmese ၁၀၄၂၃၉၂

Also seen as

Goldbach decomposition

Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 1042392, here are decompositions:

  • 11 + 1042381 = 1042392
  • 19 + 1042373 = 1042392
  • 23 + 1042369 = 1042392
  • 59 + 1042333 = 1042392
  • 61 + 1042331 = 1042392
  • 83 + 1042309 = 1042392
  • 149 + 1042243 = 1042392
  • 151 + 1042241 = 1042392

Showing the first eight; more decompositions exist.

Hex color
#0FE7D8
RGB(15, 231, 216)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.15.231.216.

Address
0.15.231.216
Class
reserved
IPv4-mapped IPv6
::ffff:0.15.231.216

Unspecified address (0.0.0.0/8) — "this network" placeholder.

Possible date

Could be parsed as a date. Most likely interpretation: Saturday, January 4, 2392 (MDDYYYY (US, single-digit month)).

Other possible interpretations (3)
  • 2392-04-01 (DMMYYYY (Euro, single-digit day))
  • 2392-10-04 (MMDYYYY (US, single-digit day))
  • 2392-04-10 (DDMYYYY (Euro, single-digit month))
Possible US patent number

This number falls in the range of US utility patent numbers. If it's a patent, it would be issued as US 1,042,392 and was likely granted around 1912.

Patent numbers below 100,000 are excluded as too ambiguous; modern numbering currently reaches roughly 12.5 million.

Related reading

  • Babylonian numerals — The base-60 cuneiform system that gave us 60 minutes, 60 seconds, and 360°.