490,100
490,100 is a composite number, even.
490,100 (four hundred ninety thousand one hundred) is an even 6-digit number. It is a composite number with 54 divisors, and factors as 2² × 5² × 13² × 29. Its proper divisors sum to 701,230, more than the number itself, making it an abundant number. Written other ways, in hexadecimal, 0x77A74.
Interestingness
Properties
Primality
Prime factorization: 2 2 × 5 2 × 13 2 × 29
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√490,100 = [700; (14, 1400)]
Period length 2 — the block in parentheses repeats forever.
Representations
- In words
- four hundred ninety thousand one hundred
- Ordinal
- 490100th
- Binary
- 1110111101001110100
- Octal
- 1675164
- Hexadecimal
- 0x77A74
- Base64
- B3p0
- One's complement
- 4,294,477,195 (32-bit)
- Scientific notation
- 4.901 × 10⁵
- As a duration
- 490,100 s = 5 days, 16 hours, 8 minutes, 20 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒁹𒁹 𒌋𒁹𒁹𒁹𒁹𒁹𒁹 𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋
- Egyptian hieroglyphic
- 𓆐𓆐𓆐𓆐𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓍢
- Greek (Milesian)
- ͵υϟρʹ
- Chinese
- 四十九萬零一百
- Chinese (financial)
- 肆拾玖萬零壹佰
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 490100, here are decompositions:
- 3 + 490097 = 490100
- 43 + 490057 = 490100
- 67 + 490033 = 490100
- 97 + 490003 = 490100
- 139 + 489961 = 490100
- 157 + 489943 = 490100
- 199 + 489901 = 490100
- 229 + 489871 = 490100
Showing the first eight; more decompositions exist.
As an unsigned 32-bit integer, this is the IPv4 address 0.7.122.116.
- Address
- 0.7.122.116
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.7.122.116
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 490,100 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 490100 first appears in π at position 259,914 of the decimal expansion (the 259,914ordinal-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°.