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13381952 = 26239091
BaseRepresentation
bin110011000011…
…000101000000
3221011212120212
4303003011000
511411210302
61154453252
7221513303
oct63030500
927155525
1013381952
117610071
124594228
132a0701c
141ac4b3a
151295052
hexcc3140

13381952 has 28 divisors (see below), whose sum is σ = 27712416. Its totient is φ = 6399360.

The previous prime is 13381939. The next prime is 13381993. The reversal of 13381952 is 25918331.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3074 + ... + 6017.

Almost surely, 213381952 is an apocalyptic number.

It is an amenable number.

13381952 is an abundant number, since it is smaller than the sum of its proper divisors (14330464).

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

13381952 is an equidigital number, since it uses as much as digits as its factorization.

13381952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9126 (or 9116 counting only the distinct ones).

The product of its digits is 6480, while the sum is 32.

The square root of 13381952 is about 3658.1350439807. The cubic root of 13381952 is about 237.4140897032.

The spelling of 13381952 in words is "thirteen million, three hundred eighty-one thousand, nine hundred fifty-two".

Divisors: 1 2 4 8 16 23 32 46 64 92 184 368 736 1472 9091 18182 36364 72728 145456 209093 290912 418186 581824 836372 1672744 3345488 6690976 13381952