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13938384 = 243290383
BaseRepresentation
bin110101001010…
…111011010000
3222020010212110
4311022323100
512032012014
61214425320
7226321455
oct65127320
928203773
1013938384
117960129
124802240
132b70385
141bcb82c
151354d59
hexd4aed0

13938384 has 20 divisors (see below), whose sum is σ = 36007616. Its totient is φ = 4646112.

The previous prime is 13938383. The next prime is 13938403. The reversal of 13938384 is 48383931.

13938384 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13938383) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 145144 + ... + 145239.

Almost surely, 213938384 is an apocalyptic number.

It is an amenable number.

13938384 is an abundant number, since it is smaller than the sum of its proper divisors (22069232).

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

13938384 is a wasteful number, since it uses less digits than its factorization.

13938384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290394 (or 290388 counting only the distinct ones).

The product of its digits is 62208, while the sum is 39.

The square root of 13938384 is about 3733.4145229267. The cubic root of 13938384 is about 240.6601270807.

The spelling of 13938384 in words is "thirteen million, nine hundred thirty-eight thousand, three hundred eighty-four".

Divisors: 1 2 3 4 6 8 12 16 24 48 290383 580766 871149 1161532 1742298 2323064 3484596 4646128 6969192 13938384