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13900742 = 219365809
BaseRepresentation
bin110101000001…
…101111000110
3222011020020022
4311001233012
512024310432
61213535142
7226103642
oct65015706
928136208
1013900742
117934919
1247a44b2
132b591bb
141bbbc22
151348b12
hexd41bc6

13900742 has 8 divisors (see below), whose sum is σ = 21948600. Its totient is φ = 6584544.

The previous prime is 13900729. The next prime is 13900753. The reversal of 13900742 is 24700931.

13900742 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 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, 182867 + ... + 182942.

It is an arithmetic number, because the mean of its divisors is an integer number (2743575).

Almost surely, 213900742 is an apocalyptic number.

13900742 is a deficient number, since it is larger than the sum of its proper divisors (8047858).

13900742 is a wasteful number, since it uses less digits than its factorization.

13900742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 365830.

The product of its (nonzero) digits is 1512, while the sum is 26.

The square root of 13900742 is about 3728.3698850838. The cubic root of 13900742 is about 240.4432895189.

The spelling of 13900742 in words is "thirteen million, nine hundred thousand, seven hundred forty-two".

Divisors: 1 2 19 38 365809 731618 6950371 13900742