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12628790 = 251774287
BaseRepresentation
bin110000001011…
…001100110110
3212202121102222
4300023030312
511213110130
61130402342
7212225426
oct60131466
925677388
1012628790
117146219
1242903b2
132802275
14196a486
151196ce5
hexc0b336

12628790 has 16 divisors (see below), whose sum is σ = 24069312. Its totient is φ = 4754304.

The previous prime is 12628783. The next prime is 12628801. The reversal of 12628790 is 9782621.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 12628790.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 36974 + ... + 37313.

It is an arithmetic number, because the mean of its divisors is an integer number (1504332).

Almost surely, 212628790 is an apocalyptic number.

12628790 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12628790 is a deficient number, since it is larger than the sum of its proper divisors (11440522).

12628790 is a wasteful number, since it uses less digits than its factorization.

12628790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74311.

The product of its (nonzero) digits is 12096, while the sum is 35.

The square root of 12628790 is about 3553.7008878070. The cubic root of 12628790 is about 232.8737734762.

The spelling of 12628790 in words is "twelve million, six hundred twenty-eight thousand, seven hundred ninety".

Divisors: 1 2 5 10 17 34 85 170 74287 148574 371435 742870 1262879 2525758 6314395 12628790