Base | Representation |
---|---|
bin | 101000101011… |
… | …110100001001 |
3 | 202001211221100 |
4 | 220223310021 |
5 | 10212241400 |
6 | 1020332013 |
7 | 156436644 |
oct | 50536411 |
9 | 22054840 |
10 | 10665225 |
11 | 6024a3a |
12 | 36a4009 |
13 | 22955ac |
14 | 15b8a5b |
15 | e0a100 |
hex | a2bd09 |
10665225 has 36 divisors (see below), whose sum is σ = 19324656. Its totient is φ = 5622240.
The previous prime is 10665199. The next prime is 10665229. The reversal of 10665225 is 52256601.
10665225 is a `hidden beast` number, since 1 + 0 + 6 + 652 + 2 + 5 = 666.
10665225 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 10665225 - 213 = 10657033 is a prime.
It is a super-2 number, since 2×106652252 = 227494048601250, which contains 22 as substring.
It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.
It is not an unprimeable number, because it can be changed into a prime (10665229) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 23854 + ... + 24296.
It is an arithmetic number, because the mean of its divisors is an integer number (536796).
Almost surely, 210665225 is an apocalyptic number.
10665225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
10665225 is a deficient number, since it is larger than the sum of its proper divisors (8659431).
10665225 is a wasteful number, since it uses less digits than its factorization.
10665225 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 566 (or 558 counting only the distinct ones).
The product of its (nonzero) digits is 3600, while the sum is 27.
The square root of 10665225 is about 3265.7656070208. The cubic root of 10665225 is about 220.1185655660.
The spelling of 10665225 in words is "ten million, six hundred sixty-five thousand, two hundred twenty-five".
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