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13312748 = 2237293307
BaseRepresentation
bin110010110010…
…001011101100
3221001100122202
4302302023230
511402001443
61153201032
7221104451
oct62621354
927040582
1013312748
117573079
124560178
1329b1687
141aa7828
15127e7b8
hexcb22ec

13312748 has 24 divisors (see below), whose sum is σ = 24086832. Its totient is φ = 6433344.

The previous prime is 13312727. The next prime is 13312753. The reversal of 13312748 is 84721331.

13312748 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 13312748.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43211 + ... + 43517.

It is an arithmetic number, because the mean of its divisors is an integer number (1003618).

Almost surely, 213312748 is an apocalyptic number.

It is an amenable number.

13312748 is a deficient number, since it is larger than the sum of its proper divisors (10774084).

13312748 is a wasteful number, since it uses less digits than its factorization.

13312748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 641 (or 639 counting only the distinct ones).

The product of its digits is 4032, while the sum is 29.

The square root of 13312748 is about 3648.6638650333. The cubic root of 13312748 is about 237.0041243860.

The spelling of 13312748 in words is "thirteen million, three hundred twelve thousand, seven hundred forty-eight".

Divisors: 1 2 4 37 74 148 293 307 586 614 1172 1228 10841 11359 21682 22718 43364 45436 89951 179902 359804 3328187 6656374 13312748