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13985402 = 2311911181
BaseRepresentation
bin110101010110…
…011001111010
3222022112100212
4311112121322
512040013102
61215431122
7226605524
oct65263172
928275325
1013985402
117992492
1248254a2
132b888b2
141c00a14
151363c52
hexd5667a

13985402 has 16 divisors (see below), whose sum is σ = 21786624. Its totient is φ = 6726000.

The previous prime is 13985399. The next prime is 13985431. The reversal of 13985402 is 20458931.

13985402 is nontrivially palindromic in base 13.

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, 11252 + ... + 12432.

It is an arithmetic number, because the mean of its divisors is an integer number (1361664).

Almost surely, 213985402 is an apocalyptic number.

13985402 is a deficient number, since it is larger than the sum of its proper divisors (7801222).

13985402 is a wasteful number, since it uses less digits than its factorization.

13985402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1405.

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 13985402 is about 3739.7061381879. The cubic root of 13985402 is about 240.9304276257.

The spelling of 13985402 in words is "thirteen million, nine hundred eighty-five thousand, four hundred two".

Divisors: 1 2 31 62 191 382 1181 2362 5921 11842 36611 73222 225571 451142 6992701 13985402