498,400
498,400 is a composite number, even.
498,400 (four hundred ninety-eight thousand four hundred) is an even 6-digit number. It is a composite number with 72 divisors, and factors as 2⁵ × 5² × 7 × 89. Its proper divisors sum to 907,760, more than the number itself, making it an abundant number. Written other ways, in hexadecimal, 0x79AE0.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 25
- Digit product
- 0
- Digital root
- 7
- Palindrome
- No
- Bit width
- 19 bits
- Reversed
- 4,894
- Square (n²)
- 248,402,560,000
- Cube (n³)
- 123,803,835,904,000,000
- Divisor count
- 72
- σ(n) — sum of divisors
- 1,406,160
- φ(n) — Euler's totient
- 168,960
- Sum of prime factors
- 116
Primality
Prime factorization: 2 5 × 5 2 × 7 × 89
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√498,400 = [705; (1, 38, 4, 1, 1, 16, 1, 7, 12, 1, 1, 2, 6, 1, 2, 3, 5, 1, 4, 2, 1, 2, 2, 5, …)]
Period length 52 — the block in parentheses repeats forever.
Representations
- In words
- four hundred ninety-eight thousand four hundred
- Ordinal
- 498400th
- Binary
- 1111001101011100000
- Octal
- 1715340
- Hexadecimal
- 0x79AE0
- Base64
- B5rg
- One's complement
- 4,294,468,895 (32-bit)
- Scientific notation
- 4.984 × 10⁵
- As a duration
- 498,400 s = 5 days, 18 hours, 26 minutes, 40 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒁹𒁹 𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋
- Egyptian hieroglyphic
- 𓆐𓆐𓆐𓆐𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓍢𓍢𓍢𓍢
- Greek (Milesian)
- ͵υϟηυʹ
- Chinese
- 四十九萬八千四百
- Chinese (financial)
- 肆拾玖萬捌仟肆佰
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 498400, here are decompositions:
- 3 + 498397 = 498400
- 173 + 498227 = 498400
- 191 + 498209 = 498400
- 233 + 498167 = 498400
- 257 + 498143 = 498400
- 281 + 498119 = 498400
- 311 + 498089 = 498400
- 347 + 498053 = 498400
Showing the first eight; more decompositions exist.
As an unsigned 32-bit integer, this is the IPv4 address 0.7.154.224.
- Address
- 0.7.154.224
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.7.154.224
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 498,400 and was likely granted around 1893.
Patent numbers below 100,000 are excluded as too ambiguous; modern numbering currently reaches roughly 12.5 million.
Related reading
- Babylonian numerals — The base-60 cuneiform system that gave us 60 minutes, 60 seconds, and 360°.