470,490
470,490 is a composite number, even.
470,490 (four hundred seventy thousand four hundred ninety) is an even 6-digit number. It is a composite number with 16 divisors, and factors as 2 × 3 × 5 × 15,683. Its proper divisors sum to 658,758, more than the number itself, making it an abundant number. Written other ways, in hexadecimal, 0x72DDA.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 24
- Digit product
- 0
- Digital root
- 6
- Palindrome
- No
- Bit width
- 19 bits
- Reversed
- 94,074
- Square (n²)
- 221,360,840,100
- Cube (n³)
- 104,148,061,658,649,000
- Divisor count
- 16
- σ(n) — sum of divisors
- 1,129,248
- φ(n) — Euler's totient
- 125,456
- Sum of prime factors
- 15,693
Primality
Prime factorization: 2 × 3 × 5 × 15683
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√470,490 = [685; (1, 11, 1, 16, 2, 3, 1, 4, 2, 1, 1, 136, 1, 1, 2, 4, 1, 3, 2, 16, 1, 11, 1, 1370)]
Period length 24 — the block in parentheses repeats forever.
Representations
- In words
- four hundred seventy thousand four hundred ninety
- Ordinal
- 470490th
- Binary
- 1110010110111011010
- Octal
- 1626732
- Hexadecimal
- 0x72DDA
- Base64
- By3a
- One's complement
- 4,294,496,805 (32-bit)
- Scientific notation
- 4.7049 × 10⁵
- As a duration
- 470,490 s = 5 days, 10 hours, 41 minutes, 30 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒁹𒁹 𒌋 𒌋𒌋𒌋𒌋𒁹 𒌋𒌋𒌋
- Egyptian hieroglyphic
- 𓆐𓆐𓆐𓆐𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓎆
- Greek (Milesian)
- ͵υουϟʹ
- Chinese
- 四十七萬零四百九十
- Chinese (financial)
- 肆拾柒萬零肆佰玖拾
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 470490, here are decompositions:
- 17 + 470473 = 470490
- 19 + 470471 = 470490
- 29 + 470461 = 470490
- 37 + 470453 = 470490
- 43 + 470447 = 470490
- 47 + 470443 = 470490
- 61 + 470429 = 470490
- 73 + 470417 = 470490
Showing the first eight; more decompositions exist.
As an unsigned 32-bit integer, this is the IPv4 address 0.7.45.218.
- Address
- 0.7.45.218
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.7.45.218
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 470,490 and was likely granted around 1891.
Patent numbers below 100,000 are excluded as too ambiguous; modern numbering currently reaches roughly 12.5 million.
The digit sequence 470490 first appears in π at position 491,610 of the decimal expansion (the 491,610ordinal-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°.