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1,049,890

1,049,890 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.).

1,049,890 (one million forty-nine thousand eight hundred ninety) is an even 7-digit number. It is a composite number with 16 divisors, and factors as 2 × 5 × 67 × 1,567. Written other ways, in hexadecimal, 0x100522.

Arithmetic Number Cube-Free Deficient Number Gapful Number Odious Number Pernicious Number Squarefree

Interestingness

Properties

Parity
Even
Digit count
7
Digit sum
31
Digit product
0
Digital root
4
Palindrome
No
Bit width
21 bits
Reversed
989,401
Square (n²)
1,102,269,012,100
Cube (n³)
1,157,261,213,113,669,000
Divisor count
16
σ(n) — sum of divisors
1,919,232
φ(n) — Euler's totient
413,424
Sum of prime factors
1,641

Primality

Prime factorization: 2 × 5 × 67 × 1567

Nearest primes: 1,049,863 (−27) · 1,049,891 (+1)

Divisors & multiples

All divisors (16)
1 · 2 · 5 · 10 · 67 · 134 · 335 · 670 · 1567 · 3134 · 7835 · 15670 · 104989 · 209978 · 524945 (half) · 1049890
Aliquot sum (sum of proper divisors): 869,342
Factor pairs (a × b = 1,049,890)
1 × 1049890
2 × 524945
5 × 209978
10 × 104989
67 × 15670
134 × 7835
335 × 3134
670 × 1567
First multiples
1,049,890 · 2,099,780 (double) · 3,149,670 · 4,199,560 · 5,249,450 · 6,299,340 · 7,349,230 · 8,399,120 · 9,449,010 · 10,498,900

Sums & aliquot sequence

As consecutive integers: 262,471 + 262,472 + 262,473 + 262,474 209,976 + 209,977 + 209,978 + 209,979 + 209,980 52,485 + 52,486 + … + 52,504 15,637 + 15,638 + … + 15,703
Aliquot sequence: 1,049,890 869,342 450,634 228,506 120,058 60,032 78,688 76,292 57,226 39,542 23,314 11,660 15,556 11,674 7,226 3,616 3,566 — unresolved within range

Continued fraction of √n

√1,049,890 = [1024; (1, 1, 1, 3, 1, 2, 1, 2, 1, 1, 6, 8, 2, 1, 5, 1, 1, 4, 1, 1, 2, 8, 1, 2, …)]

Representations

In words
one million forty-nine thousand eight hundred ninety
Ordinal
1049890th
Binary
100000000010100100010
Octal
4002442
Hexadecimal
0x100522
Base64
EAUi
One's complement
4,293,917,405 (32-bit)
Scientific notation
1.04989 × 10⁶
As a duration
1,049,890 s = 12 days, 3 hours, 38 minutes, 10 seconds
In other bases
ternary (3) 1222100011211
quaternary (4) 10000110202
quinary (5) 232044030
senary (6) 34300334
septenary (7) 11631622
nonary (9) 1870154
undecimal (11) 657886
duodecimal (12) 4276aa
tridecimal (13) 2a9b4a
tetradecimal (14) 1d4882
pentadecimal (15) 15b12a

As an angle

1,049,890° = 2,916 × 360° + 130°
130° ≈ 2.269 rad
Compass bearing: SE (southeast)

Historical numeral systems

Babylonian (base 60)
𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒌋𒁹 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋
Egyptian hieroglyphic
𓁨𓂍𓂍𓂍𓂍𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓎆
Chinese
一百零四萬九千八百九十
Chinese (financial)
壹佰零肆萬玖仟捌佰玖拾
In other modern scripts
Eastern Arabic ١٠٤٩٨٩٠ Devanagari १०४९८९० Bengali ১০৪৯৮৯০ Tamil ௧௦௪௯௮௯௦ Thai ๑๐๔๙๘๙๐ Tibetan ༡༠༤༩༨༩༠ Khmer ១០៤៩៨៩០ Lao ໑໐໔໙໘໙໐ Burmese ၁၀၄၉၈၉၀

Also seen as

Goldbach decomposition

Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 1049890, here are decompositions:

  • 29 + 1049861 = 1049890
  • 41 + 1049849 = 1049890
  • 47 + 1049843 = 1049890
  • 53 + 1049837 = 1049890
  • 173 + 1049717 = 1049890
  • 227 + 1049663 = 1049890
  • 251 + 1049639 = 1049890
  • 353 + 1049537 = 1049890

Showing the first eight; more decompositions exist.

Hex color
#100522
RGB(16, 5, 34)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.16.5.34.

Address
0.16.5.34
Class
reserved
IPv4-mapped IPv6
::ffff:0.16.5.34

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

Possible date

Could be parsed as a date. Most likely interpretation: Saturday, January 4, 9890 (MDDYYYY (US, single-digit month)).

Other possible interpretations (3)
  • 9890-04-01 (DMMYYYY (Euro, single-digit day))
  • 9890-10-04 (MMDYYYY (US, single-digit day))
  • 9890-04-10 (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 1,049,890 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°.