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13429880 = 235335747
BaseRepresentation
bin110011001110…
…110001111000
3221021022022222
4303032301320
511414224010
61155503212
7222103112
oct63166170
927238288
1013429880
117643082
1245b7b08
132a22a99
141ad83b2
1512a4355
hexccec78

13429880 has 16 divisors (see below), whose sum is σ = 30217320. Its totient is φ = 5371936.

The previous prime is 13429849. The next prime is 13429909. The reversal of 13429880 is 8892431.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 13429880.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 167834 + ... + 167913.

Almost surely, 213429880 is an apocalyptic number.

13429880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13429880 is an abundant number, since it is smaller than the sum of its proper divisors (16787440).

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

13429880 is a wasteful number, since it uses less digits than its factorization.

13429880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 335758 (or 335754 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 35.

The square root of 13429880 is about 3664.6800678913. The cubic root of 13429880 is about 237.6971880368.

The spelling of 13429880 in words is "thirteen million, four hundred twenty-nine thousand, eight hundred eighty".

Divisors: 1 2 4 5 8 10 20 40 335747 671494 1342988 1678735 2685976 3357470 6714940 13429880