542,420
542,420 is a composite number, even.
542,420 (five hundred forty-two thousand four hundred twenty) is an even 6-digit number. It is a composite number with 24 divisors, and factors as 2² × 5 × 37 × 733. Its proper divisors sum to 629,044, more than the number itself, making it an abundant number. Written other ways, in hexadecimal, 0x846D4.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 17
- Digit product
- 0
- Digital root
- 8
- Palindrome
- No
- Bit width
- 20 bits
- Reversed
- 24,245
- Square (n²)
- 294,219,456,400
- Cube (n³)
- 159,590,517,540,488,000
- Divisor count
- 24
- σ(n) — sum of divisors
- 1,171,464
- φ(n) — Euler's totient
- 210,816
- Sum of prime factors
- 779
Primality
Prime factorization: 2 2 × 5 × 37 × 733
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√542,420 = [736; (2, 29, 1, 1, 3, 1, 1, 2, 7, 8, 368, 8, 7, 2, 1, 1, 3, 1, 1, 29, 2, 1472)]
Period length 22 — the block in parentheses repeats forever.
Representations
- In words
- five hundred forty-two thousand four hundred twenty
- Ordinal
- 542420th
- Binary
- 10000100011011010100
- Octal
- 2043324
- Hexadecimal
- 0x846D4
- Base64
- CEbU
- One's complement
- 4,294,424,875 (32-bit)
- Scientific notation
- 5.4242 × 10⁵
- As a duration
- 542,420 s = 6 days, 6 hours, 40 minutes, 20 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒁹𒁹 𒌋𒌋𒌋 𒌋𒌋𒌋𒌋 𒌋𒌋
- Egyptian hieroglyphic
- 𓆐𓆐𓆐𓆐𓆐𓂍𓂍𓂍𓂍𓆼𓆼𓍢𓍢𓍢𓍢𓎆𓎆
- Greek (Milesian)
- ͵φμβυκʹ
- Chinese
- 五十四萬二千四百二十
- Chinese (financial)
- 伍拾肆萬貳仟肆佰貳拾
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 542420, here are decompositions:
- 19 + 542401 = 542420
- 97 + 542323 = 542420
- 127 + 542293 = 542420
- 139 + 542281 = 542420
- 157 + 542263 = 542420
- 223 + 542197 = 542420
- 271 + 542149 = 542420
- 337 + 542083 = 542420
Showing the first eight; more decompositions exist.
As an unsigned 32-bit integer, this is the IPv4 address 0.8.70.212.
- Address
- 0.8.70.212
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.8.70.212
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 542,420 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 542420 first appears in π at position 330,063 of the decimal expansion (the 330,063ordinal-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°.