471,220
471,220 is a composite number, even.
471,220 (four hundred seventy-one thousand two hundred twenty) is an even 6-digit number. It is a composite number with 12 divisors, and factors as 2² × 5 × 23,561. Its proper divisors sum to 518,384, more than the number itself, making it an abundant number. Written other ways, in hexadecimal, 0x730B4.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 16
- Digit product
- 0
- Digital root
- 7
- Palindrome
- No
- Bit width
- 19 bits
- Reversed
- 22,174
- Square (n²)
- 222,048,288,400
- Cube (n³)
- 104,633,594,459,848,000
- Divisor count
- 12
- σ(n) — sum of divisors
- 989,604
- φ(n) — Euler's totient
- 188,480
- Sum of prime factors
- 23,570
Primality
Prime factorization: 2 2 × 5 × 23561
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√471,220 = [686; (2, 5, 72, 13, 16, 3, 1, 2, 1, 6, 10, 3, 68, 3, 10, 6, 1, 2, 1, 3, 16, 13, 72, 5, …)]
Period length 26 — the block in parentheses repeats forever.
Representations
- In words
- four hundred seventy-one thousand two hundred twenty
- Ordinal
- 471220th
- Binary
- 1110011000010110100
- Octal
- 1630264
- Hexadecimal
- 0x730B4
- Base64
- BzC0
- One's complement
- 4,294,496,075 (32-bit)
- Scientific notation
- 4.7122 × 10⁵
- As a duration
- 471,220 s = 5 days, 10 hours, 53 minutes, 40 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒁹𒁹 𒌋 𒌋𒌋𒌋𒌋𒌋𒁹𒁹𒁹 𒌋𒌋𒌋𒌋
- Egyptian hieroglyphic
- 𓆐𓆐𓆐𓆐𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓆼𓍢𓍢𓎆𓎆
- Greek (Milesian)
- ͵υοασκʹ
- Chinese
- 四十七萬一千二百二十
- Chinese (financial)
- 肆拾柒萬壹仟貳佰貳拾
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 471220, here are decompositions:
- 3 + 471217 = 471220
- 11 + 471209 = 471220
- 41 + 471179 = 471220
- 47 + 471173 = 471220
- 59 + 471161 = 471220
- 83 + 471137 = 471220
- 131 + 471089 = 471220
- 179 + 471041 = 471220
Showing the first eight; more decompositions exist.
As an unsigned 32-bit integer, this is the IPv4 address 0.7.48.180.
- Address
- 0.7.48.180
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.7.48.180
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 471,220 and was likely granted around 1891.
Patent numbers below 100,000 are excluded as too ambiguous; modern numbering currently reaches roughly 12.5 million.
The digit sequence 471220 first appears in π at position 723,353 of the decimal expansion (the 723,353ordinal-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°.