491,132
491,132 is a composite number, even.
491,132 (four hundred ninety-one thousand one hundred thirty-two) is an even 6-digit number. It is a composite number with 12 divisors, and factors as 2² × 199 × 617. Written other ways, in hexadecimal, 0x77E7C.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 20
- Digit product
- 216
- Digital root
- 2
- Palindrome
- No
- Bit width
- 19 bits
- Reversed
- 231,194
- Square (n²)
- 241,210,641,424
- Cube (n³)
- 118,466,264,743,851,968
- Divisor count
- 12
- σ(n) — sum of divisors
- 865,200
- φ(n) — Euler's totient
- 243,936
- Sum of prime factors
- 820
Primality
Prime factorization: 2 2 × 199 × 617
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√491,132 = [700; (1, 4, 4, 1, 2, 1, 3, 2, 15, 2, 17, 1, 22, 1, 4, 3, 1, 2, 7, 2, 7, 2, 1, 3, …)]
Period length 40 — the block in parentheses repeats forever.
Representations
- In words
- four hundred ninety-one thousand one hundred thirty-two
- Ordinal
- 491132nd
- Binary
- 1110111111001111100
- Octal
- 1677174
- Hexadecimal
- 0x77E7C
- Base64
- B358
- One's complement
- 4,294,476,163 (32-bit)
- Scientific notation
- 4.91132 × 10⁵
- As a duration
- 491,132 s = 5 days, 16 hours, 25 minutes, 32 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒁹𒁹 𒌋𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒁹𒁹
- Egyptian hieroglyphic
- 𓆐𓆐𓆐𓆐𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓆼𓍢𓎆𓎆𓎆𓏺𓏺
- Greek (Milesian)
- ͵υϟαρλβʹ
- Chinese
- 四十九萬一千一百三十二
- Chinese (financial)
- 肆拾玖萬壹仟壹佰參拾貳
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 491132, here are decompositions:
- 3 + 491129 = 491132
- 73 + 491059 = 491132
- 139 + 490993 = 491132
- 163 + 490969 = 491132
- 181 + 490951 = 491132
- 211 + 490921 = 491132
- 241 + 490891 = 491132
- 283 + 490849 = 491132
Showing the first eight; more decompositions exist.
As an unsigned 32-bit integer, this is the IPv4 address 0.7.126.124.
- Address
- 0.7.126.124
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.7.126.124
Unspecified address (0.0.0.0/8) — "this network" placeholder.
This number falls in the range of US utility patent numbers. If it's a patent, it would be issued as US 491,132 and was likely granted around 1892.
Patent numbers below 100,000 are excluded as too ambiguous; modern numbering currently reaches roughly 12.5 million.
The digit sequence 491132 first appears in π at position 23,113 of the decimal expansion (the 23,113ordinal-suffix:th digit after the integer 3).
Search range: the first 1,000,000 fractional digits of π. Any 6-digit-or-shorter string is virtually guaranteed to appear in there — the more interesting signal is the position.
Related reading
- Babylonian numerals — The base-60 cuneiform system that gave us 60 minutes, 60 seconds, and 360°.