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14931328 = 27157743
BaseRepresentation
bin111000111101…
…010110000000
31001002120221011
4320331112000
512310300303
61252010304
7240625366
oct70752600
931076834
1014931328
118479145
125000994
13312a309
141da9636
15149e16d
hexe3d580

14931328 has 32 divisors (see below), whose sum is σ = 29975760. Its totient is φ = 7408128.

The previous prime is 14931281. The next prime is 14931331. The reversal of 14931328 is 82313941.

It is a tau number, because it is divible by the number of its divisors (32).

It is a self number, because there is not a number n which added to its sum of digits gives 14931328.

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, 19725 + ... + 20467.

Almost surely, 214931328 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 14931328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14987880).

14931328 is an abundant number, since it is smaller than the sum of its proper divisors (15044432).

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

14931328 is an equidigital number, since it uses as much as digits as its factorization.

14931328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 914 (or 902 counting only the distinct ones).

The product of its digits is 5184, while the sum is 31.

The square root of 14931328 is about 3864.1076589557. The cubic root of 14931328 is about 246.2442767100.

The spelling of 14931328 in words is "fourteen million, nine hundred thirty-one thousand, three hundred twenty-eight".

Divisors: 1 2 4 8 16 32 64 128 157 314 628 743 1256 1486 2512 2972 5024 5944 10048 11888 20096 23776 47552 95104 116651 233302 466604 933208 1866416 3732832 7465664 14931328