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13913528 = 232375617
BaseRepresentation
bin110101000100…
…110110111000
3222011212202212
4311010312320
512030213103
61214114252
7226156136
oct65046670
928155685
1013913528
117943492
1247ab988
132b61c75
141bc2756
15134c7d8
hexd44db8

13913528 has 16 divisors (see below), whose sum is σ = 27222480. Its totient is φ = 6654208.

The previous prime is 13913527. The next prime is 13913569. The reversal of 13913528 is 82531931.

13913528 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×139135282 = 387172522813568, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13913494 and 13913503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13913521) 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, 37625 + ... + 37992.

It is an arithmetic number, because the mean of its divisors is an integer number (1701405).

Almost surely, 213913528 is an apocalyptic number.

It is an amenable number.

13913528 is a deficient number, since it is larger than the sum of its proper divisors (13308952).

13913528 is a wasteful number, since it uses less digits than its factorization.

13913528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75646 (or 75642 counting only the distinct ones).

The product of its digits is 6480, while the sum is 32.

The square root of 13913528 is about 3730.0841813557. The cubic root of 13913528 is about 240.5169874023.

It can be divided in two parts, 13913 and 528, that added together give a palindrome (14441).

The spelling of 13913528 in words is "thirteen million, nine hundred thirteen thousand, five hundred twenty-eight".

Divisors: 1 2 4 8 23 46 92 184 75617 151234 302468 604936 1739191 3478382 6956764 13913528