498,428
498,428 is a composite number, even.
498,428 (four hundred ninety-eight thousand four hundred twenty-eight) is an even 6-digit number. It is a composite number with 18 divisors, and factors as 2² × 7² × 2,543. Its proper divisors sum to 516,628, more than the number itself, making it an abundant number. Written other ways, in hexadecimal, 0x79AFC.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 35
- Digit product
- 18,432
- Digital root
- 8
- Palindrome
- No
- Bit width
- 19 bits
- Reversed
- 824,894
- Square (n²)
- 248,430,471,184
- Cube (n³)
- 123,824,702,891,298,752
- Divisor count
- 18
- σ(n) — sum of divisors
- 1,015,056
- φ(n) — Euler's totient
- 213,528
- Sum of prime factors
- 2,561
Primality
Prime factorization: 2 2 × 7 2 × 2543
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√498,428 = [705; (1, 175, 2, 352, 2, 175, 1, 1410)]
Period length 8 — the block in parentheses repeats forever.
Representations
- In words
- four hundred ninety-eight thousand four hundred twenty-eight
- Ordinal
- 498428th
- Binary
- 1111001101011111100
- Octal
- 1715374
- Hexadecimal
- 0x79AFC
- Base64
- B5r8
- One's complement
- 4,294,468,867 (32-bit)
- Scientific notation
- 4.98428 × 10⁵
- As a duration
- 498,428 s = 5 days, 18 hours, 27 minutes, 8 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒁹𒁹 𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹
- Egyptian hieroglyphic
- 𓆐𓆐𓆐𓆐𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓍢𓍢𓍢𓍢𓎆𓎆𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺
- Greek (Milesian)
- ͵υϟηυκηʹ
- Chinese
- 四十九萬八千四百二十八
- Chinese (financial)
- 肆拾玖萬捌仟肆佰貳拾捌
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 498428, here are decompositions:
- 19 + 498409 = 498428
- 31 + 498397 = 498428
- 37 + 498391 = 498428
- 61 + 498367 = 498428
- 67 + 498361 = 498428
- 97 + 498331 = 498428
- 127 + 498301 = 498428
- 157 + 498271 = 498428
Showing the first eight; more decompositions exist.
As an unsigned 32-bit integer, this is the IPv4 address 0.7.154.252.
- Address
- 0.7.154.252
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.7.154.252
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 498,428 and was likely granted around 1893.
Patent numbers below 100,000 are excluded as too ambiguous; modern numbering currently reaches roughly 12.5 million.
The digit sequence 498428 first appears in π at position 116,909 of the decimal expansion (the 116,909ordinal-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°.