478,742
478,742 is a composite number, even.
478,742 (four hundred seventy-eight thousand seven hundred forty-two) is an even 6-digit number. It is a composite number with 16 divisors, and factors as 2 × 11 × 47 × 463. Written other ways, in hexadecimal, 0x74E16.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 32
- Digit product
- 12,544
- Digital root
- 5
- Palindrome
- No
- Bit width
- 19 bits
- Reversed
- 247,874
- Square (n²)
- 229,193,902,564
- Cube (n³)
- 109,724,747,301,294,488
- Divisor count
- 16
- σ(n) — sum of divisors
- 801,792
- φ(n) — Euler's totient
- 212,520
- Sum of prime factors
- 523
Primality
Prime factorization: 2 × 11 × 47 × 463
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√478,742 = [691; (1, 10, 2, 1, 10, 4, 1, 1, 4, 2, 62, 2, 4, 1, 1, 4, 10, 1, 2, 10, 1, 1382)]
Period length 22 — the block in parentheses repeats forever.
Representations
- In words
- four hundred seventy-eight thousand seven hundred forty-two
- Ordinal
- 478742nd
- Binary
- 1110100111000010110
- Octal
- 1647026
- Hexadecimal
- 0x74E16
- Base64
- B04W
- One's complement
- 4,294,488,553 (32-bit)
- Scientific notation
- 4.78742 × 10⁵
- As a duration
- 478,742 s = 5 days, 12 hours, 59 minutes, 2 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒁹𒁹 𒌋𒁹𒁹 𒌋𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒁹𒁹
- Egyptian hieroglyphic
- 𓆐𓆐𓆐𓆐𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓏺𓏺
- Greek (Milesian)
- ͵υοηψμβʹ
- Chinese
- 四十七萬八千七百四十二
- Chinese (financial)
- 肆拾柒萬捌仟柒佰肆拾貳
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 478742, here are decompositions:
- 3 + 478739 = 478742
- 13 + 478729 = 478742
- 31 + 478711 = 478742
- 139 + 478603 = 478742
- 163 + 478579 = 478742
- 211 + 478531 = 478742
- 283 + 478459 = 478742
- 331 + 478411 = 478742
Showing the first eight; more decompositions exist.
As an unsigned 32-bit integer, this is the IPv4 address 0.7.78.22.
- Address
- 0.7.78.22
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.7.78.22
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 478,742 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 478742 first appears in π at position 293,791 of the decimal expansion (the 293,791ordinal-suffix:st 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°.