490,172
490,172 is a composite number, even.
490,172 (four hundred ninety thousand one hundred seventy-two) is an even 6-digit number. It is a composite number with 24 divisors, and factors as 2² × 31 × 59 × 67. Written other ways, in hexadecimal, 0x77ABC.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 23
- Digit product
- 0
- Digital root
- 5
- Palindrome
- No
- Bit width
- 19 bits
- Reversed
- 271,094
- Square (n²)
- 240,268,589,584
- Cube (n³)
- 117,772,935,093,568,448
- Divisor count
- 24
- σ(n) — sum of divisors
- 913,920
- φ(n) — Euler's totient
- 229,680
- Sum of prime factors
- 161
Primality
Prime factorization: 2 2 × 31 × 59 × 67
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√490,172 = [700; (8, 7, 7, 1, 2, 6, 1, 3, 1, 10, 1, 3, 1, 1, 126, 1, 2, 1, 4, 1, 1, 1, 10, 1, …)]
Period length 46 — the block in parentheses repeats forever.
Representations
- In words
- four hundred ninety thousand one hundred seventy-two
- Ordinal
- 490172nd
- Binary
- 1110111101010111100
- Octal
- 1675274
- Hexadecimal
- 0x77ABC
- Base64
- B3q8
- One's complement
- 4,294,477,123 (32-bit)
- Scientific notation
- 4.90172 × 10⁵
- As a duration
- 490,172 s = 5 days, 16 hours, 9 minutes, 32 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒁹𒁹 𒌋𒁹𒁹𒁹𒁹𒁹𒁹 𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒁹𒁹
- Egyptian hieroglyphic
- 𓆐𓆐𓆐𓆐𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓍢𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓏺𓏺
- Greek (Milesian)
- ͵υϟροβʹ
- Chinese
- 四十九萬零一百七十二
- Chinese (financial)
- 肆拾玖萬零壹佰柒拾貳
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 490172, here are decompositions:
- 3 + 490169 = 490172
- 13 + 490159 = 490172
- 61 + 490111 = 490172
- 139 + 490033 = 490172
- 211 + 489961 = 490172
- 229 + 489943 = 490172
- 271 + 489901 = 490172
- 349 + 489823 = 490172
Showing the first eight; more decompositions exist.
As an unsigned 32-bit integer, this is the IPv4 address 0.7.122.188.
- Address
- 0.7.122.188
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.7.122.188
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 490,172 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 490172 first appears in π at position 774,921 of the decimal expansion (the 774,921ordinal-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°.