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13968332 = 227310181
BaseRepresentation
bin110101010010…
…001111001100
3222021122221122
4311102033030
512033441312
61215220112
7226505000
oct65221714
928248848
1013968332
117980684
124817638
132b80bb1
141bd8700
15135db72
hexd523cc

13968332 has 24 divisors (see below), whose sum is σ = 28509600. Its totient is φ = 5985840.

The previous prime is 13968307. The next prime is 13968341. The reversal of 13968332 is 23386931.

13968332 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×139683322 = 390228597724448, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13968292 and 13968301.

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, 3719 + ... + 6462.

It is an arithmetic number, because the mean of its divisors is an integer number (1187900).

Almost surely, 213968332 is an apocalyptic number.

It is an amenable number.

13968332 is an abundant number, since it is smaller than the sum of its proper divisors (14541268).

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

13968332 is a wasteful number, since it uses less digits than its factorization.

13968332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10206 (or 10190 counting only the distinct ones).

The product of its digits is 23328, while the sum is 35.

The square root of 13968332 is about 3737.4231764680. The cubic root of 13968332 is about 240.8323644979.

The spelling of 13968332 in words is "thirteen million, nine hundred sixty-eight thousand, three hundred thirty-two".

Divisors: 1 2 4 7 14 28 49 98 196 343 686 1372 10181 20362 40724 71267 142534 285068 498869 997738 1995476 3492083 6984166 13968332