472,390
472,390 is a composite number, even.
472,390 (four hundred seventy-two thousand three hundred ninety) is an even 6-digit number. It is a composite number with 16 divisors, and factors as 2 × 5 × 97 × 487. Written other ways, in hexadecimal, 0x73546.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 25
- Digit product
- 0
- Digital root
- 7
- Palindrome
- No
- Bit width
- 19 bits
- Reversed
- 93,274
- Recamán's sequence
- a(137,308) = 472,390
- Square (n²)
- 223,152,312,100
- Cube (n³)
- 105,414,920,712,919,000
- Divisor count
- 16
- σ(n) — sum of divisors
- 860,832
- φ(n) — Euler's totient
- 186,624
- Sum of prime factors
- 591
Primality
Prime factorization: 2 × 5 × 97 × 487
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√472,390 = [687; (3, 3, 1, 3, 1, 1, 2, 7, 25, 3, 8, 3, 6, 4, 2, 3, 1, 1, 1, 1, 4, 15, 4, 2, …)]
Representations
- In words
- four hundred seventy-two thousand three hundred ninety
- Ordinal
- 472390th
- Binary
- 1110011010101000110
- Octal
- 1632506
- Hexadecimal
- 0x73546
- Base64
- BzVG
- One's complement
- 4,294,494,905 (32-bit)
- Scientific notation
- 4.7239 × 10⁵
- As a duration
- 472,390 s = 5 days, 11 hours, 13 minutes, 10 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒁹𒁹 𒌋𒁹 𒌋𒁹𒁹𒁹 𒌋
- Egyptian hieroglyphic
- 𓆐𓆐𓆐𓆐𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓆼𓆼𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓎆
- Greek (Milesian)
- ͵υοβτϟʹ
- Chinese
- 四十七萬二千三百九十
- Chinese (financial)
- 肆拾柒萬貳仟參佰玖拾
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 472390, here are decompositions:
- 41 + 472349 = 472390
- 59 + 472331 = 472390
- 71 + 472319 = 472390
- 89 + 472301 = 472390
- 101 + 472289 = 472390
- 137 + 472253 = 472390
- 197 + 472193 = 472390
- 227 + 472163 = 472390
Showing the first eight; more decompositions exist.
As an unsigned 32-bit integer, this is the IPv4 address 0.7.53.70.
- Address
- 0.7.53.70
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.7.53.70
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 472,390 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 472390 first appears in π at position 974,348 of the decimal expansion (the 974,348ordinal-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°.