Base | Representation |
---|---|
bin | 100111110110… |
… | …1011110111011 |
3 | 1110022121110220 |
4 | 1033231132323 |
5 | 20322130200 |
6 | 2023511123 |
7 | 342416223 |
oct | 117553673 |
9 | 43277426 |
10 | 20895675 |
11 | 10882259 |
12 | 6bb84a3 |
13 | 4438008 |
14 | 2abd083 |
15 | 1c7b4a0 |
hex | 13ed7bb |
20895675 has 12 divisors (see below), whose sum is σ = 34547640. Its totient is φ = 11144320.
The previous prime is 20895671. The next prime is 20895701. The reversal of 20895675 is 57659802.
It is not a de Polignac number, because 20895675 - 22 = 20895671 is a prime.
It is not an unprimeable number, because it can be changed into a prime (20895671) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 139230 + ... + 139379.
It is an arithmetic number, because the mean of its divisors is an integer number (2878970).
Almost surely, 220895675 is an apocalyptic number.
20895675 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
20895675 is a deficient number, since it is larger than the sum of its proper divisors (13651965).
20895675 is a wasteful number, since it uses less digits than its factorization.
20895675 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 278622 (or 278617 counting only the distinct ones).
The product of its (nonzero) digits is 151200, while the sum is 42.
The square root of 20895675 is about 4571.1787320121. The cubic root of 20895675 is about 275.4347942911.
The spelling of 20895675 in words is "twenty million, eight hundred ninety-five thousand, six hundred seventy-five".
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