472,991
472,991 is a composite number, odd.
472,991 (four hundred seventy-two thousand nine hundred ninety-one) is an odd 6-digit number. It is a composite number with 4 divisors, and factors as 17 × 27,823. Written other ways, in hexadecimal, 0x7379F.
Interestingness
Properties
- Parity
- Odd
- Digit count
- 6
- Digit sum
- 32
- Digit product
- 4,536
- Digital root
- 5
- Palindrome
- No
- Bit width
- 19 bits
- Reversed
- 199,274
- Square (n²)
- 223,720,486,081
- Cube (n³)
- 105,817,776,431,938,271
- Divisor count
- 4
- σ(n) — sum of divisors
- 500,832
- φ(n) — Euler's totient
- 445,152
- Sum of prime factors
- 27,840
Primality
Prime factorization: 17 × 27823
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√472,991 = [687; (1, 2, 1, 8, 1, 2, 1, 3, 1, 3, 3, 1, 1, 3, 4, 1, 18, 1, 5, 4, 1, 1, 2, 1, …)]
Representations
- In words
- four hundred seventy-two thousand nine hundred ninety-one
- Ordinal
- 472991st
- Binary
- 1110011011110011111
- Octal
- 1633637
- Hexadecimal
- 0x7379F
- Base64
- Bzef
- One's complement
- 4,294,494,304 (32-bit)
- Scientific notation
- 4.72991 × 10⁵
- As a duration
- 472,991 s = 5 days, 11 hours, 23 minutes, 11 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒁹𒁹 𒌋𒁹 𒌋𒌋𒁹𒁹𒁹 𒌋𒁹
- Egyptian hieroglyphic
- 𓆐𓆐𓆐𓆐𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓆼𓆼𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓏺
- Greek (Milesian)
- ͵υοβϡϟαʹ
- Chinese
- 四十七萬二千九百九十一
- Chinese (financial)
- 肆拾柒萬貳仟玖佰玖拾壹
Also seen as
As an unsigned 32-bit integer, this is the IPv4 address 0.7.55.159.
- Address
- 0.7.55.159
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.7.55.159
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 472,991 and was likely granted around 1891.
Patent numbers below 100,000 are excluded as too ambiguous; modern numbering currently reaches roughly 12.5 million.
Related reading
- Egyptian hieroglyphic numerals — Seven hieroglyphs for every power of ten, from a single stroke to a million.