542,490
542,490 is a composite number, even.
542,490 (five hundred forty-two thousand four hundred ninety) is an even 6-digit number. It is a composite number with 48 divisors, and factors as 2 × 3 × 5 × 13² × 107. Its proper divisors sum to 880,518, more than the number itself, making it an abundant number. Written other ways, in hexadecimal, 0x8471A.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 24
- Digit product
- 0
- Digital root
- 6
- Palindrome
- No
- Bit width
- 20 bits
- Reversed
- 94,245
- Square (n²)
- 294,295,400,100
- Cube (n³)
- 159,652,311,600,249,000
- Divisor count
- 48
- σ(n) — sum of divisors
- 1,423,008
- φ(n) — Euler's totient
- 132,288
- Sum of prime factors
- 143
Primality
Prime factorization: 2 × 3 × 5 × 13 2 × 107
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√542,490 = [736; (1, 1, 5, 1, 7, 8, 1, 1, 2, 3, 4, 3, 2, 1, 1, 8, 7, 1, 5, 1, 1, 1472)]
Period length 22 — the block in parentheses repeats forever.
Representations
- In words
- five hundred forty-two thousand four hundred ninety
- Ordinal
- 542490th
- Binary
- 10000100011100011010
- Octal
- 2043432
- Hexadecimal
- 0x8471A
- Base64
- CEca
- One's complement
- 4,294,424,805 (32-bit)
- Scientific notation
- 5.4249 × 10⁵
- As a duration
- 542,490 s = 6 days, 6 hours, 41 minutes, 30 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒁹𒁹 𒌋𒌋𒌋 𒌋𒌋𒌋𒌋𒁹 𒌋𒌋𒌋
- Egyptian hieroglyphic
- 𓆐𓆐𓆐𓆐𓆐𓂍𓂍𓂍𓂍𓆼𓆼𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓎆
- Greek (Milesian)
- ͵φμβυϟʹ
- Chinese
- 五十四萬二千四百九十
- Chinese (financial)
- 伍拾肆萬貳仟肆佰玖拾
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 542490, here are decompositions:
- 7 + 542483 = 542490
- 23 + 542467 = 542490
- 29 + 542461 = 542490
- 43 + 542447 = 542490
- 89 + 542401 = 542490
- 167 + 542323 = 542490
- 191 + 542299 = 542490
- 197 + 542293 = 542490
Showing the first eight; more decompositions exist.
As an unsigned 32-bit integer, this is the IPv4 address 0.8.71.26.
- Address
- 0.8.71.26
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.8.71.26
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 542,490 and was likely granted around 1895.
Patent numbers below 100,000 are excluded as too ambiguous; modern numbering currently reaches roughly 12.5 million.
The digit sequence 542490 first appears in π at position 376,363 of the decimal expansion (the 376,363ordinal-suffix:rd 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°.