163,472
163,472 is a composite number, even.
163,472 (one hundred sixty-three thousand four hundred seventy-two) is an even 6-digit number. It is a composite number with 20 divisors, and factors as 2⁴ × 17 × 601. Its proper divisors sum to 172,444, more than the number itself, making it an abundant number. Written other ways, in hexadecimal, 0x27E90.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 23
- Digit product
- 1,008
- Digital root
- 5
- Palindrome
- No
- Bit width
- 18 bits
- Reversed
- 274,361
- Square (n²)
- 26,723,094,784
- Cube (n³)
- 4,368,477,750,530,048
- Divisor count
- 20
- σ(n) — sum of divisors
- 335,916
- φ(n) — Euler's totient
- 76,800
- Sum of prime factors
- 626
Primality
Prime factorization: 2 4 × 17 × 601
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√163,472 = [404; (3, 6, 2, 1, 6, 8, 1, 14, 1, 1, 1, 15, 1, 5, 2, 1, 1, 1, 5, 1, 2, 4, 2, 3, …)]
Representations
- In words
- one hundred sixty-three thousand four hundred seventy-two
- Ordinal
- 163472nd
- Binary
- 100111111010010000
- Octal
- 477220
- Hexadecimal
- 0x27E90
- Base64
- An6Q
- One's complement
- 4,294,803,823 (32-bit)
- Scientific notation
- 1.63472 × 10⁵
- As a duration
- 163,472 s = 1 day, 21 hours, 24 minutes, 32 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒁹𒁹
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓂍𓂍𓂍𓂍𓆼𓆼𓆼𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓏺𓏺
- Greek (Milesian)
- ͵ρξγυοβʹ
- Chinese
- 一十六萬三千四百七十二
- Chinese (financial)
- 壹拾陸萬參仟肆佰柒拾貳
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 163472, here are decompositions:
- 3 + 163469 = 163472
- 61 + 163411 = 163472
- 79 + 163393 = 163472
- 109 + 163363 = 163472
- 151 + 163321 = 163472
- 163 + 163309 = 163472
- 223 + 163249 = 163472
- 229 + 163243 = 163472
Showing the first eight; more decompositions exist.
UTF-8 encoding: F0 A7 BA 90 (4 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.2.126.144.
- Address
- 0.2.126.144
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.2.126.144
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 163,472 and was likely granted around 1874.
Patent numbers below 100,000 are excluded as too ambiguous; modern numbering currently reaches roughly 12.5 million.
The digit sequence 163472 first appears in π at position 278,408 of the decimal expansion (the 278,408ordinal-suffix:th 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°.