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13968741 = 341113567
BaseRepresentation
bin110101010010…
…010101100101
3222021200111210
4311102111211
512033444431
61215222033
7226506123
oct65222545
928250453
1013968741
117980a16
124817919
132b81137
141bd8913
15135dd46
hexd52565

13968741 has 8 divisors (see below), whose sum is σ = 19079424. Its totient is φ = 9085280.

The previous prime is 13968727. The next prime is 13968767. The reversal of 13968741 is 14786931.

13968741 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13968741 - 25 = 13968709 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13968741.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13968041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56661 + ... + 56906.

It is an arithmetic number, because the mean of its divisors is an integer number (2384928).

Almost surely, 213968741 is an apocalyptic number.

It is an amenable number.

13968741 is a deficient number, since it is larger than the sum of its proper divisors (5110683).

13968741 is a wasteful number, since it uses less digits than its factorization.

13968741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113611.

The product of its digits is 36288, while the sum is 39.

The square root of 13968741 is about 3737.4778929112. The cubic root of 13968741 is about 240.8347150405.

The spelling of 13968741 in words is "thirteen million, nine hundred sixty-eight thousand, seven hundred forty-one".

Divisors: 1 3 41 123 113567 340701 4656247 13968741