470,442
470,442 is a composite number, even.
470,442 (four hundred seventy thousand four hundred forty-two) is an even 6-digit number. It is a composite number with 32 divisors, and factors as 2 × 3 × 7 × 23 × 487. Its proper divisors sum to 653,910, more than the number itself, making it an abundant number. Written other ways, in hexadecimal, 0x72DAA.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 21
- Digit product
- 0
- Digital root
- 3
- Palindrome
- No
- Bit width
- 19 bits
- Reversed
- 244,074
- Square (n²)
- 221,315,675,364
- Cube (n³)
- 104,116,188,949,590,888
- Divisor count
- 32
- σ(n) — sum of divisors
- 1,124,352
- φ(n) — Euler's totient
- 128,304
- Sum of prime factors
- 522
Primality
Prime factorization: 2 × 3 × 7 × 23 × 487
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√470,442 = [685; (1, 7, 1, 9, 1, 10, 2, 3, 80, 2, 2, 7, 2, 1, 6, 6, 1, 22, 1, 3, 1, 3, 1, 2, …)]
Period length 60 — the block in parentheses repeats forever.
Representations
- In words
- four hundred seventy thousand four hundred forty-two
- Ordinal
- 470442nd
- Binary
- 1110010110110101010
- Octal
- 1626652
- Hexadecimal
- 0x72DAA
- Base64
- By2q
- One's complement
- 4,294,496,853 (32-bit)
- Scientific notation
- 4.70442 × 10⁵
- As a duration
- 470,442 s = 5 days, 10 hours, 40 minutes, 42 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒁹𒁹 𒌋 𒌋𒌋𒌋𒌋 𒌋𒌋𒌋𒌋𒁹𒁹
- Egyptian hieroglyphic
- 𓆐𓆐𓆐𓆐𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓏺𓏺
- Greek (Milesian)
- ͵υουμβʹ
- Chinese
- 四十七萬零四百四十二
- Chinese (financial)
- 肆拾柒萬零肆佰肆拾貳
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 470442, here are decompositions:
- 13 + 470429 = 470442
- 29 + 470413 = 470442
- 31 + 470411 = 470442
- 43 + 470399 = 470442
- 53 + 470389 = 470442
- 83 + 470359 = 470442
- 109 + 470333 = 470442
- 139 + 470303 = 470442
Showing the first eight; more decompositions exist.
As an unsigned 32-bit integer, this is the IPv4 address 0.7.45.170.
- Address
- 0.7.45.170
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.7.45.170
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 470,442 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
- Babylonian numerals — The base-60 cuneiform system that gave us 60 minutes, 60 seconds, and 360°.