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12623928 = 2331730941
BaseRepresentation
bin110000001010…
…000000111000
3212202100202220
4300022000320
511212431203
61130324040
7212205312
oct60120070
925670686
1012623928
1171425a9
124289620
1327ccca5
1419687b2
151195653
hexc0a038

12623928 has 32 divisors (see below), whose sum is σ = 33417360. Its totient is φ = 3960320.

The previous prime is 12623921. The next prime is 12623929. The reversal of 12623928 is 82932621.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12623921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15063 + ... + 15878.

Almost surely, 212623928 is an apocalyptic number.

It is an amenable number.

12623928 is an abundant number, since it is smaller than the sum of its proper divisors (20793432).

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

12623928 is a wasteful number, since it uses less digits than its factorization.

12623928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30967 (or 30963 counting only the distinct ones).

The product of its digits is 10368, while the sum is 33.

The square root of 12623928 is about 3553.0167463720. The cubic root of 12623928 is about 232.8438846899.

The spelling of 12623928 in words is "twelve million, six hundred twenty-three thousand, nine hundred twenty-eight".

Divisors: 1 2 3 4 6 8 12 17 24 34 51 68 102 136 204 408 30941 61882 92823 123764 185646 247528 371292 525997 742584 1051994 1577991 2103988 3155982 4207976 6311964 12623928