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1,015,222

1,015,222 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.).

1,015,222 (one million fifteen thousand two hundred twenty-two) is an even 7-digit number. It is a composite number with 8 divisors, and factors as 2 × 13 × 39,047. Written other ways, in hexadecimal, 0xF7DB6.

Arithmetic Number Cube-Free Deficient Number Harshad / Niven Odious Number Recamán's Sequence Sphenic Number Squarefree

Interestingness

Properties

Parity
Even
Digit count
7
Digit sum
13
Digit product
0
Digital root
4
Palindrome
No
Bit width
20 bits
Reversed
2,225,101
Recamán's sequence
a(364,423) = 1,015,222
Square (n²)
1,030,675,709,284
Cube (n³)
1,046,364,654,930,721,048
Divisor count
8
σ(n) — sum of divisors
1,640,016
φ(n) — Euler's totient
468,552
Sum of prime factors
39,062

Primality

Prime factorization: 2 × 13 × 39047

Nearest primes: 1,015,207 (−15) · 1,015,277 (+55)

Divisors & multiples

All divisors (8)
1 · 2 · 13 · 26 · 39047 · 78094 · 507611 (half) · 1015222
Aliquot sum (sum of proper divisors): 624,794
Factor pairs (a × b = 1,015,222)
1 × 1015222
2 × 507611
13 × 78094
26 × 39047
First multiples
1,015,222 · 2,030,444 (double) · 3,045,666 · 4,060,888 · 5,076,110 · 6,091,332 · 7,106,554 · 8,121,776 · 9,136,998 · 10,152,220

Sums & aliquot sequence

As consecutive integers: 253,804 + 253,805 + 253,806 + 253,807 78,088 + 78,089 + … + 78,100 19,498 + 19,499 + … + 19,549
Aliquot sequence: 1,015,222 624,794 312,400 517,904 485,566 249,914 178,534 113,066 56,536 52,904 52,396 39,304 38,996 29,254 14,630 19,930 15,962 — unresolved within range

Continued fraction of √n

√1,015,222 = [1007; (1, 1, 2, 1, 1, 5, 1, 5, 1, 8, 4, 2, 10, 1, 1, 3, 3, 2, 24, 7, 12, 1, 1, 7, …)]

Representations

In words
one million fifteen thousand two hundred twenty-two
Ordinal
1015222nd
Binary
11110111110110110110
Octal
3676666
Hexadecimal
0xF7DB6
Base64
D322
One's complement
4,293,952,073 (32-bit)
Scientific notation
1.015222 × 10⁶
As a duration
1,015,222 s = 11 days, 18 hours, 22 seconds
In other bases
ternary (3) 1220120121211
quaternary (4) 3313312312
quinary (5) 224441342
senary (6) 33432034
septenary (7) 11425555
nonary (9) 1816554
undecimal (11) 63382a
duodecimal (12) 40b61a
tridecimal (13) 297130
tetradecimal (14) 1c5d9c
pentadecimal (15) 150c17

As an angle

1,015,222° = 2,820 × 360° + 22°
22° ≈ 0.384 rad
Compass bearing: NNE (north-northeast)

Historical numeral systems

Babylonian (base 60)
𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒁹𒁹 · 𒌋𒌋𒁹𒁹
Egyptian hieroglyphic
𓁨𓂍𓆼𓆼𓆼𓆼𓆼𓍢𓍢𓎆𓎆𓏺𓏺
Chinese
一百零一萬五千二百二十二
Chinese (financial)
壹佰零壹萬伍仟貳佰貳拾貳
In other modern scripts
Eastern Arabic ١٠١٥٢٢٢ Devanagari १०१५२२२ Bengali ১০১৫২২২ Tamil ௧௦௧௫௨௨௨ Thai ๑๐๑๕๒๒๒ Tibetan ༡༠༡༥༢༢༢ Khmer ១០១៥២២២ Lao ໑໐໑໕໒໒໒ Burmese ၁၀၁၅၂၂၂

Also seen as

Goldbach decomposition

Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 1015222, here are decompositions:

  • 23 + 1015199 = 1015222
  • 59 + 1015163 = 1015222
  • 83 + 1015139 = 1015222
  • 149 + 1015073 = 1015222
  • 179 + 1015043 = 1015222
  • 233 + 1014989 = 1015222
  • 269 + 1014953 = 1015222
  • 281 + 1014941 = 1015222

Showing the first eight; more decompositions exist.

Hex color
#0F7DB6
RGB(15, 125, 182)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.15.125.182.

Address
0.15.125.182
Class
reserved
IPv4-mapped IPv6
::ffff:0.15.125.182

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

Possible date

Could be parsed as a date. Most likely interpretation: Saturday, January 1, 5222 (MDDYYYY (US, single-digit month)).

Other possible interpretations (2)
  • 5222-10-01 (MMDYYYY (US, single-digit day))
  • 5222-01-10 (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 1,015,222 and was likely granted around 1911.

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°.