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10665225 = 3252107443
BaseRepresentation
bin101000101011…
…110100001001
3202001211221100
4220223310021
510212241400
61020332013
7156436644
oct50536411
922054840
1010665225
116024a3a
1236a4009
1322955ac
1415b8a5b
15e0a100
hexa2bd09

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".

Divisors: 1 3 5 9 15 25 45 75 107 225 321 443 535 963 1329 1605 2215 2675 3987 4815 6645 8025 11075 19935 24075 33225 47401 99675 142203 237005 426609 711015 1185025 2133045 3555075 10665225