Base | Representation |
---|---|
bin | 100110101111… |
… | …1101011111000 |
3 | 1102020002202200 |
4 | 1031133223320 |
5 | 20200033442 |
6 | 2003230200 |
7 | 334450014 |
oct | 115375370 |
9 | 42202680 |
10 | 20314872 |
11 | 10515956 |
12 | 6978360 |
13 | 4293846 |
14 | 29ab544 |
15 | 1bb434c |
hex | 135faf8 |
20314872 has 48 divisors (see below), whose sum is σ = 55269240. Its totient is φ = 6740928.
The previous prime is 20314867. The next prime is 20314907. The reversal of 20314872 is 27841302.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19878 + ... + 20874.
Almost surely, 220314872 is an apocalyptic number.
It is an amenable number.
20314872 is an abundant number, since it is smaller than the sum of its proper divisors (34954368).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20314872 is a wasteful number, since it uses less digits than its factorization.
20314872 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1292 (or 1285 counting only the distinct ones).
The product of its (nonzero) digits is 2688, while the sum is 27.
The square root of 20314872 is about 4507.2022364212. The cubic root of 20314872 is about 272.8588410039.
It can be divided in two parts, 2031 and 4872, that added together give a triangular number (6903 = T117).
The spelling of 20314872 in words is "twenty million, three hundred fourteen thousand, eight hundred seventy-two".
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