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13938168 = 233580757
BaseRepresentation
bin110101001010…
…110111111000
3222020010120110
4311022313320
512032010133
61214424320
7226321026
oct65126770
928203513
1013938168
11795aa52
1248020a0
132b7024a
141bcb716
151354c63
hexd4adf8

13938168 has 16 divisors (see below), whose sum is σ = 34845480. Its totient is φ = 4646048.

The previous prime is 13938163. The next prime is 13938187. The reversal of 13938168 is 86183931.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13938163) 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, 290355 + ... + 290402.

Almost surely, 213938168 is an apocalyptic number.

It is an amenable number.

13938168 is an abundant number, since it is smaller than the sum of its proper divisors (20907312).

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

13938168 is a wasteful number, since it uses less digits than its factorization.

13938168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 580766 (or 580762 counting only the distinct ones).

The product of its digits is 31104, while the sum is 39.

The square root of 13938168 is about 3733.3855948723. The cubic root of 13938168 is about 240.6588839224.

The spelling of 13938168 in words is "thirteen million, nine hundred thirty-eight thousand, one hundred sixty-eight".

Divisors: 1 2 3 4 6 8 12 24 580757 1161514 1742271 2323028 3484542 4646056 6969084 13938168