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23164152 = 2331187743
BaseRepresentation
bin101100001011…
…1010011111000
31121120212020120
41120113103320
521412223102
62144253240
7400614654
oct130272370
947525216
1023164152
1112091630
127911220
134a506cb
14310da64
1520786bc
hex16174f8

23164152 has 32 divisors (see below), whose sum is σ = 63175680. Its totient is φ = 7019360.

The previous prime is 23164147. The next prime is 23164153. The reversal of 23164152 is 25146132.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23164153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43608 + ... + 44135.

It is an arithmetic number, because the mean of its divisors is an integer number (1974240).

Almost surely, 223164152 is an apocalyptic number.

23164152 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

23164152 is an abundant number, since it is smaller than the sum of its proper divisors (40011528).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23164152 is a wasteful number, since it uses less digits than its factorization.

23164152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87763 (or 87759 counting only the distinct ones).

The product of its digits is 1440, while the sum is 24.

The square root of 23164152 is about 4812.9151249529. The cubic root of 23164152 is about 285.0616548667.

The spelling of 23164152 in words is "twenty-three million, one hundred sixty-four thousand, one hundred fifty-two".

Divisors: 1 2 3 4 6 8 11 12 22 24 33 44 66 88 132 264 87743 175486 263229 350972 526458 701944 965173 1052916 1930346 2105832 2895519 3860692 5791038 7721384 11582076 23164152