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13314728 = 237237763
BaseRepresentation
bin110010110010…
…101010101000
3221001110101002
4302302222220
511402032403
61153214132
7221113310
oct62625250
927043332
1013314728
117574609
124561348
1329b254b
141aa8440
151280188
hexcb2aa8

13314728 has 16 divisors (see below), whose sum is σ = 28531680. Its totient is φ = 5706288.

The previous prime is 13314703. The next prime is 13314751. The reversal of 13314728 is 82741331.

It is a self number, because there is not a number n which added to its sum of digits gives 13314728.

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 3 ways as a sum of consecutive naturals, for example, 118826 + ... + 118937.

It is an arithmetic number, because the mean of its divisors is an integer number (1783230).

Almost surely, 213314728 is an apocalyptic number.

It is an amenable number.

13314728 is an abundant number, since it is smaller than the sum of its proper divisors (15216952).

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

13314728 is a wasteful number, since it uses less digits than its factorization.

13314728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 237776 (or 237772 counting only the distinct ones).

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

The square root of 13314728 is about 3648.9351871471. The cubic root of 13314728 is about 237.0158736482.

The spelling of 13314728 in words is "thirteen million, three hundred fourteen thousand, seven hundred twenty-eight".

Divisors: 1 2 4 7 8 14 28 56 237763 475526 951052 1664341 1902104 3328682 6657364 13314728