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13940608 = 27119901
BaseRepresentation
bin110101001011…
…011110000000
3222020020220211
4311023132000
512032044413
61214443504
7226331113
oct65133600
928206824
1013940608
117961870
124803594
132b713a6
141bcc57a
15135583d
hexd4b780

13940608 has 32 divisors (see below), whose sum is σ = 30300120. Its totient is φ = 6336000.

The previous prime is 13940587. The next prime is 13940617. The reversal of 13940608 is 80604931.

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 13940608.

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, 3543 + ... + 6358.

Almost surely, 213940608 is an apocalyptic number.

It is an amenable number.

13940608 is an abundant number, since it is smaller than the sum of its proper divisors (16359512).

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

13940608 is an equidigital number, since it uses as much as digits as its factorization.

13940608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9926 (or 9914 counting only the distinct ones).

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

The square root of 13940608 is about 3733.7123617119. The cubic root of 13940608 is about 240.6729262607.

The spelling of 13940608 in words is "thirteen million, nine hundred forty thousand, six hundred eight".

Divisors: 1 2 4 8 11 16 22 32 44 64 88 128 176 352 704 1408 9901 19802 39604 79208 108911 158416 217822 316832 435644 633664 871288 1267328 1742576 3485152 6970304 13940608