472,890
472,890 is a composite number, even.
472,890 (four hundred seventy-two thousand eight hundred ninety) is an even 6-digit number. It is a composite number with 32 divisors, and factors as 2 × 3 × 5 × 11 × 1,433. Its proper divisors sum to 766,086, more than the number itself, making it an abundant number. Written other ways, in hexadecimal, 0x7373A.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 30
- Digit product
- 0
- Digital root
- 3
- Palindrome
- No
- Bit width
- 19 bits
- Reversed
- 98,274
- Square (n²)
- 223,624,952,100
- Cube (n³)
- 105,750,003,598,569,000
- Divisor count
- 32
- σ(n) — sum of divisors
- 1,238,976
- φ(n) — Euler's totient
- 114,560
- Sum of prime factors
- 1,454
Primality
Prime factorization: 2 × 3 × 5 × 11 × 1433
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√472,890 = [687; (1, 2, 33, 4, 1, 2, 1, 2, 4, 1, 1, 8, 10, 6, 1, 4, 3, 44, 18, 1, 1, 3, 2, 5, …)]
Period length 52 — the block in parentheses repeats forever.
Representations
- In words
- four hundred seventy-two thousand eight hundred ninety
- Ordinal
- 472890th
- Binary
- 1110011011100111010
- Octal
- 1633472
- Hexadecimal
- 0x7373A
- Base64
- Bzc6
- One's complement
- 4,294,494,405 (32-bit)
- Scientific notation
- 4.7289 × 10⁵
- As a duration
- 472,890 s = 5 days, 11 hours, 21 minutes, 30 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒁹𒁹 𒌋𒁹 𒌋𒌋𒁹 𒌋𒌋𒌋
- Egyptian hieroglyphic
- 𓆐𓆐𓆐𓆐𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓆼𓆼𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓎆
- Greek (Milesian)
- ͵υοβωϟʹ
- Chinese
- 四十七萬二千八百九十
- Chinese (financial)
- 肆拾柒萬貳仟捌佰玖拾
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 472890, here are decompositions:
- 7 + 472883 = 472890
- 31 + 472859 = 472890
- 43 + 472847 = 472890
- 53 + 472837 = 472890
- 59 + 472831 = 472890
- 73 + 472817 = 472890
- 97 + 472793 = 472890
- 127 + 472763 = 472890
Showing the first eight; more decompositions exist.
As an unsigned 32-bit integer, this is the IPv4 address 0.7.55.58.
- Address
- 0.7.55.58
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.7.55.58
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 472,890 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 472890 first appears in π at position 127,606 of the decimal expansion (the 127,606ordinal-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°.