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13740741 = 327218107
BaseRepresentation
bin110100011010…
…101011000101
3221212002202100
4310122223011
512004200431
61210302313
7224536320
oct64325305
927762670
1013740741
117835693
124727999
132b01421
141b797b7
1513164e6
hexd1aac5

13740741 has 12 divisors (see below), whose sum is σ = 22683232. Its totient is φ = 7851816.

The previous prime is 13740739. The next prime is 13740757. The reversal of 13740741 is 14704731.

13740741 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13740741 - 21 = 13740739 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13740761) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 108991 + ... + 109116.

Almost surely, 213740741 is an apocalyptic number.

It is an amenable number.

13740741 is a deficient number, since it is larger than the sum of its proper divisors (8942491).

13740741 is a wasteful number, since it uses less digits than its factorization.

13740741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218120 (or 218117 counting only the distinct ones).

The product of its (nonzero) digits is 2352, while the sum is 27.

The square root of 13740741 is about 3706.8505499952. The cubic root of 13740741 is about 239.5172065282.

The spelling of 13740741 in words is "thirteen million, seven hundred forty thousand, seven hundred forty-one".

Divisors: 1 3 7 9 21 63 218107 654321 1526749 1962963 4580247 13740741