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13905268 = 2213299221
BaseRepresentation
bin110101000010…
…110101110100
3222011110102221
4311002311310
512024432033
61214012124
7226123066
oct65026564
928143387
1013905268
117938263
1247a7044
132b5b290
141bbd736
15134a12d
hexd42d74

13905268 has 24 divisors (see below), whose sum is σ = 27112680. Its totient is φ = 6195840.

The previous prime is 13905251. The next prime is 13905293. The reversal of 13905268 is 86250931.

13905268 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 2696164 + 11209104 = 1642^2 + 3348^2 .

It is a congruent number.

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, 3103 + ... + 6118.

It is an arithmetic number, because the mean of its divisors is an integer number (1129695).

Almost surely, 213905268 is an apocalyptic number.

It is an amenable number.

13905268 is a deficient number, since it is larger than the sum of its proper divisors (13207412).

13905268 is a wasteful number, since it uses less digits than its factorization.

13905268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9267 (or 9265 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 34.

The square root of 13905268 is about 3728.9768033604. The cubic root of 13905268 is about 240.4693823284.

The spelling of 13905268 in words is "thirteen million, nine hundred five thousand, two hundred sixty-eight".

Divisors: 1 2 4 13 26 29 52 58 116 377 754 1508 9221 18442 36884 119873 239746 267409 479492 534818 1069636 3476317 6952634 13905268