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13906842 = 232317807
BaseRepresentation
bin110101000011…
…001110011010
3222011112121020
4311003032122
512030004332
61214023310
7226130505
oct65031632
928145536
1013906842
117939464
1247a7b36
132b5bc01
141bc013c
15134a82c
hexd4339a

13906842 has 8 divisors (see below), whose sum is σ = 27813696. Its totient is φ = 4635612.

The previous prime is 13906819. The next prime is 13906843. The reversal of 13906842 is 24860931.

13906842 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 sphenic number, since it is the product of 3 distinct primes.

13906842 is an admirable number.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (13906843) 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, 1158898 + ... + 1158909.

It is an arithmetic number, because the mean of its divisors is an integer number (3476712).

Almost surely, 213906842 is an apocalyptic number.

13906842 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

13906842 is a wasteful number, since it uses less digits than its factorization.

13906842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2317812.

The product of its (nonzero) digits is 10368, while the sum is 33.

The square root of 13906842 is about 3729.1878472397. The cubic root of 13906842 is about 240.4784552574.

The spelling of 13906842 in words is "thirteen million, nine hundred six thousand, eight hundred forty-two".

Divisors: 1 2 3 6 2317807 4635614 6953421 13906842