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13886464 = 21071191
BaseRepresentation
bin110100111110…
…010000000000
3222010111122111
4310332100000
512023331324
61213345104
7226014214
oct64762000
928114574
1013886464
117925119
124798194
132b52857
141bb6944
151344794
hexd3e400

13886464 has 44 divisors (see below), whose sum is σ = 28297728. Its totient is φ = 6809600.

The previous prime is 13886449. The next prime is 13886489. The reversal of 13886464 is 46468831.

It is a super-3 number, since 3×138864643 (a number of 22 digits) contains 333 as substring.

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, 72609 + ... + 72799.

Almost surely, 213886464 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13886464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14148864).

13886464 is an abundant number, since it is smaller than the sum of its proper divisors (14411264).

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

13886464 is an equidigital number, since it uses as much as digits as its factorization.

13886464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 282 (or 264 counting only the distinct ones).

The product of its digits is 110592, while the sum is 40.

The square root of 13886464 is about 3726.4546153147. The cubic root of 13886464 is about 240.3609383905.

The spelling of 13886464 in words is "thirteen million, eight hundred eighty-six thousand, four hundred sixty-four".

Divisors: 1 2 4 8 16 32 64 71 128 142 191 256 284 382 512 568 764 1024 1136 1528 2272 3056 4544 6112 9088 12224 13561 18176 24448 27122 36352 48896 54244 72704 97792 108488 195584 216976 433952 867904 1735808 3471616 6943232 13886464