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12628344 = 233717411
BaseRepresentation
bin110000001011…
…000101111000
3212202120211110
4300023011320
511213101334
61130400320
7212224221
oct60130570
925676743
1012628344
117145953
1242900a0
132801cc1
14196a248
151196ae9
hexc0b178

12628344 has 32 divisors (see below), whose sum is σ = 32019840. Its totient is φ = 4149600.

The previous prime is 12628339. The next prime is 12628349. The reversal of 12628344 is 44382621.

It is an interprime number because it is at equal distance from previous prime (12628339) and next prime (12628349).

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12628349) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2002 + ... + 5409.

It is an arithmetic number, because the mean of its divisors is an integer number (1000620).

Almost surely, 212628344 is an apocalyptic number.

It is an amenable number.

12628344 is an abundant number, since it is smaller than the sum of its proper divisors (19391496).

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

12628344 is a wasteful number, since it uses less digits than its factorization.

12628344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7491 (or 7487 counting only the distinct ones).

The product of its digits is 9216, while the sum is 30.

The square root of 12628344 is about 3553.6381357702. The cubic root of 12628344 is about 232.8710320437.

The spelling of 12628344 in words is "twelve million, six hundred twenty-eight thousand, three hundred forty-four".

Divisors: 1 2 3 4 6 8 12 24 71 142 213 284 426 568 852 1704 7411 14822 22233 29644 44466 59288 88932 177864 526181 1052362 1578543 2104724 3157086 4209448 6314172 12628344