478,998
478,998 is a composite number, even.
478,998 (four hundred seventy-eight thousand nine hundred ninety-eight) is an even 6-digit number. It is a composite number with 48 divisors, and factors as 2 × 3² × 13 × 23 × 89. Its proper divisors sum to 700,362, more than the number itself, making it an abundant number. Written other ways, in hexadecimal, 0x74F16.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 45
- Digit product
- 145,152
- Digital root
- 9
- Palindrome
- No
- Bit width
- 19 bits
- Reversed
- 899,874
- Square (n²)
- 229,439,084,004
- Cube (n³)
- 109,900,862,359,747,992
- Divisor count
- 48
- σ(n) — sum of divisors
- 1,179,360
- φ(n) — Euler's totient
- 139,392
- Sum of prime factors
- 133
Primality
Prime factorization: 2 × 3 2 × 13 × 23 × 89
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√478,998 = [692; (10, 3, 25, 1, 3, 1, 6, 5, 5, 14, 1, 1, 7, 11, 3, 3, 1, 4, 1, 1, 2, 1, 4, 9, …)]
Representations
- In words
- four hundred seventy-eight thousand nine hundred ninety-eight
- Ordinal
- 478998th
- Binary
- 1110100111100010110
- Octal
- 1647426
- Hexadecimal
- 0x74F16
- Base64
- B08W
- One's complement
- 4,294,488,297 (32-bit)
- Scientific notation
- 4.78998 × 10⁵
- As a duration
- 478,998 s = 5 days, 13 hours, 3 minutes, 18 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒁹𒁹 𒌋𒁹𒁹𒁹 𒁹𒁹𒁹 𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹
- Egyptian hieroglyphic
- 𓆐𓆐𓆐𓆐𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺
- Greek (Milesian)
- ͵υοηϡϟηʹ
- Chinese
- 四十七萬八千九百九十八
- Chinese (financial)
- 肆拾柒萬捌仟玖佰玖拾捌
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 478998, here are decompositions:
- 7 + 478991 = 478998
- 31 + 478967 = 478998
- 61 + 478937 = 478998
- 67 + 478931 = 478998
- 71 + 478927 = 478998
- 97 + 478901 = 478998
- 101 + 478897 = 478998
- 127 + 478871 = 478998
Showing the first eight; more decompositions exist.
As an unsigned 32-bit integer, this is the IPv4 address 0.7.79.22.
- Address
- 0.7.79.22
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.7.79.22
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 478,998 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 478998 first appears in π at position 629,789 of the decimal expansion (the 629,789ordinal-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°.