Search a number
-
+
13934109 = 37663529
BaseRepresentation
bin110101001001…
…111000011101
3222012221000010
4311021320131
512031342414
61214353433
7226303140
oct65117035
928187003
1013934109
1179579a2
1247bb879
132b6b447
141bca057
151353959
hexd49e1d

13934109 has 8 divisors (see below), whose sum is σ = 21232960. Its totient is φ = 7962336.

The previous prime is 13934083. The next prime is 13934111. The reversal of 13934109 is 90143931.

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

It is not a de Polignac number, because 13934109 - 27 = 13933981 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13934119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 331744 + ... + 331785.

It is an arithmetic number, because the mean of its divisors is an integer number (2654120).

Almost surely, 213934109 is an apocalyptic number.

It is an amenable number.

13934109 is a deficient number, since it is larger than the sum of its proper divisors (7298851).

13934109 is an equidigital number, since it uses as much as digits as its factorization.

13934109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 663539.

The product of its (nonzero) digits is 2916, while the sum is 30.

The square root of 13934109 is about 3732.8419468282. The cubic root of 13934109 is about 240.6355205160.

The spelling of 13934109 in words is "thirteen million, nine hundred thirty-four thousand, one hundred nine".

Divisors: 1 3 7 21 663529 1990587 4644703 13934109