550,820
550,820 is a composite number, even.
550,820 (five hundred fifty thousand eight hundred twenty) is an even 6-digit number. It is a composite number with 12 divisors, and factors as 2² × 5 × 27,541. Its proper divisors sum to 605,944, more than the number itself, making it an abundant number. Written other ways, in hexadecimal, 0x867A4.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 20
- Digit product
- 0
- Digital root
- 2
- Palindrome
- No
- Bit width
- 20 bits
- Reversed
- 28,055
- Square (n²)
- 303,402,672,400
- Cube (n³)
- 167,120,260,011,368,000
- Divisor count
- 12
- σ(n) — sum of divisors
- 1,156,764
- φ(n) — Euler's totient
- 220,320
- Sum of prime factors
- 27,550
Primality
Prime factorization: 2 2 × 5 × 27541
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√550,820 = [742; (5, 1, 3, 1, 15, 1, 1, 13, 9, 1, 3, 9, 1, 50, 3, 1, 1, 4, 1, 1, 1, 9, 3, 6, …)]
Period length 56 — the block in parentheses repeats forever.
Representations
- In words
- five hundred fifty thousand eight hundred twenty
- Ordinal
- 550820th
- Binary
- 10000110011110100100
- Octal
- 2063644
- Hexadecimal
- 0x867A4
- Base64
- CGek
- One's complement
- 4,294,416,475 (32-bit)
- Scientific notation
- 5.5082 × 10⁵
- As a duration
- 550,820 s = 6 days, 9 hours, 20 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒁹𒁹 𒌋𒌋𒌋𒁹𒁹𒁹 · 𒌋𒌋
- Egyptian hieroglyphic
- 𓆐𓆐𓆐𓆐𓆐𓂍𓂍𓂍𓂍𓂍𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓎆𓎆
- Greek (Milesian)
- ͵φνωκʹ
- Chinese
- 五十五萬零八百二十
- Chinese (financial)
- 伍拾伍萬零捌佰貳拾
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 550820, here are decompositions:
- 7 + 550813 = 550820
- 19 + 550801 = 550820
- 31 + 550789 = 550820
- 103 + 550717 = 550820
- 157 + 550663 = 550820
- 163 + 550657 = 550820
- 199 + 550621 = 550820
- 211 + 550609 = 550820
Showing the first eight; more decompositions exist.
As an unsigned 32-bit integer, this is the IPv4 address 0.8.103.164.
- Address
- 0.8.103.164
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.8.103.164
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 550,820 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 550820 first appears in π at position 235,122 of the decimal expansion (the 235,122ordinal-suffix:nd 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°.