Base | Representation |
---|---|
bin | 100110011101… |
… | …1001010000000 |
3 | 1101221111112001 |
4 | 1030323022000 |
5 | 20130241443 |
6 | 2000113344 |
7 | 333254545 |
oct | 114731200 |
9 | 41844461 |
10 | 20165248 |
11 | 104234a4 |
12 | 6905854 |
13 | 42406cc |
14 | 296cbcc |
15 | 1b84d4d |
hex | 133b280 |
20165248 has 32 divisors (see below), whose sum is σ = 40395060. Its totient is φ = 10027008.
The previous prime is 20165239. The next prime is 20165261. The reversal of 20165248 is 84256102.
It can be written as a sum of positive squares in 2 ways, for example, as 20142144 + 23104 = 4488^2 + 152^2 .
It is a tau number, because it is divible by the number of its divisors (32).
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32590 + ... + 33202.
Almost surely, 220165248 is an apocalyptic number.
It is an amenable number.
20165248 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
20165248 is an equidigital number, since it uses as much as digits as its factorization.
20165248 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 884 (or 872 counting only the distinct ones).
The product of its (nonzero) digits is 3840, while the sum is 28.
The square root of 20165248 is about 4490.5732373495. The cubic root of 20165248 is about 272.1872989089.
The spelling of 20165248 in words is "twenty million, one hundred sixty-five thousand, two hundred forty-eight".
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