Base | Representation |
---|---|
bin | 100111110101… |
… | …1101000101100 |
3 | 1110022020002122 |
4 | 1033223220230 |
5 | 20321404413 |
6 | 2023412112 |
7 | 342355163 |
oct | 117535054 |
9 | 43266078 |
10 | 20888108 |
11 | 108775aa |
12 | 6bb4038 |
13 | 4434737 |
14 | 2aba3da |
15 | 1c79108 |
hex | 13eba2c |
20888108 has 12 divisors (see below), whose sum is σ = 37153872. Its totient is φ = 10272720.
The previous prime is 20888041. The next prime is 20888111. The reversal of 20888108 is 80188802.
It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.
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, 42560 + ... + 43047.
It is an arithmetic number, because the mean of its divisors is an integer number (3096156).
Almost surely, 220888108 is an apocalyptic number.
It is an amenable number.
20888108 is a deficient number, since it is larger than the sum of its proper divisors (16265764).
20888108 is a wasteful number, since it uses less digits than its factorization.
20888108 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 85672 (or 85670 counting only the distinct ones).
The product of its (nonzero) digits is 8192, while the sum is 35.
The square root of 20888108 is about 4570.3509712056. The cubic root of 20888108 is about 275.4015423267.
The spelling of 20888108 in words is "twenty million, eight hundred eighty-eight thousand, one hundred eight".
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