Base | Representation |
---|---|
bin | 100111110100… |
… | …0101111101100 |
3 | 1110021121212010 |
4 | 1033220233230 |
5 | 20321020033 |
6 | 2023241220 |
7 | 342305520 |
oct | 117505754 |
9 | 43247763 |
10 | 20876268 |
11 | 10869716 |
12 | 6ba9210 |
13 | 442c22a |
14 | 2ab5d80 |
15 | 1c75863 |
hex | 13e8bec |
20876268 has 48 divisors (see below), whose sum is σ = 57473024. Its totient is φ = 5771520.
The previous prime is 20876267. The next prime is 20876279. The reversal of 20876268 is 86267802.
It is not an unprimeable number, because it can be changed into a prime (20876263) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1405 + ... + 6612.
Almost surely, 220876268 is an apocalyptic number.
20876268 is a gapful number since it is divisible by the number (28) formed by its first and last digit.
It is an amenable number.
20876268 is an abundant number, since it is smaller than the sum of its proper divisors (36596756).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20876268 is a wasteful number, since it uses less digits than its factorization.
20876268 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8062 (or 8060 counting only the distinct ones).
The product of its (nonzero) digits is 64512, while the sum is 39.
The square root of 20876268 is about 4569.0554822633. The cubic root of 20876268 is about 275.3494972339.
The spelling of 20876268 in words is "twenty million, eight hundred seventy-six thousand, two hundred sixty-eight".
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