Search a number
-
+
13925437 = 139100183
BaseRepresentation
bin110101000111…
…110000111101
3222012111002221
4311013300331
512031103222
61214245341
7226235641
oct65076075
928174087
1013925437
117951429
1247b6851
132b67506
141bc6c21
1513510c7
hexd47c3d

13925437 has 4 divisors (see below), whose sum is σ = 14025760. Its totient is φ = 13825116.

The previous prime is 13925413. The next prime is 13925441. The reversal of 13925437 is 73452931.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 13925437 - 211 = 13923389 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 (13925447) 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, 49953 + ... + 50230.

It is an arithmetic number, because the mean of its divisors is an integer number (3506440).

Almost surely, 213925437 is an apocalyptic number.

It is an amenable number.

13925437 is a deficient number, since it is larger than the sum of its proper divisors (100323).

13925437 is a wasteful number, since it uses less digits than its factorization.

13925437 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100322.

The product of its digits is 22680, while the sum is 34.

The square root of 13925437 is about 3731.6801845817. The cubic root of 13925437 is about 240.5855897001.

The spelling of 13925437 in words is "thirteen million, nine hundred twenty-five thousand, four hundred thirty-seven".

Divisors: 1 139 100183 13925437