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13900608 = 263224133
BaseRepresentation
bin110101000001…
…101101000000
3222011020001100
4311001231000
512024304413
61213534400
7226103361
oct65015500
928136040
1013900608
117934807
1247a4400
132b59117
141bbbb68
151348a73
hexd41b40

13900608 has 42 divisors (see below), whose sum is σ = 39845234. Its totient is φ = 4633344.

The previous prime is 13900589. The next prime is 13900613. The reversal of 13900608 is 80600931.

It can be written as a sum of positive squares in only one way, i.e., 11614464 + 2286144 = 3408^2 + 1512^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11491 + ... + 12642.

Almost surely, 213900608 is an apocalyptic number.

13900608 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

13900608 is an abundant number, since it is smaller than the sum of its proper divisors (25944626).

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

13900608 is a wasteful number, since it uses less digits than its factorization.

13900608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24151 (or 24138 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 13900608 is about 3728.3519147205. The cubic root of 13900608 is about 240.4425169101.

The spelling of 13900608 in words is "thirteen million, nine hundred thousand, six hundred eight".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 32 36 48 64 72 96 144 192 288 576 24133 48266 72399 96532 144798 193064 217197 289596 386128 434394 579192 772256 868788 1158384 1544512 1737576 2316768 3475152 4633536 6950304 13900608