Search a number
-
+
13201525 = 5229131139
BaseRepresentation
bin110010010111…
…000001110101
3220211201002101
4302113001311
511334422100
61150542101
7220132261
oct62270165
926751071
1013201525
1174a7557
124507931
132972b6c
141a790a1
15125b86a
hexc97075

13201525 has 24 divisors (see below), whose sum is σ = 17186400. Its totient is φ = 10046400.

The previous prime is 13201511. The next prime is 13201541. The reversal of 13201525 is 52510231.

13201525 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13201525 - 211 = 13199477 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 94906 + ... + 95044.

It is an arithmetic number, because the mean of its divisors is an integer number (716100).

Almost surely, 213201525 is an apocalyptic number.

It is an amenable number.

13201525 is a deficient number, since it is larger than the sum of its proper divisors (3984875).

13201525 is a wasteful number, since it uses less digits than its factorization.

13201525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 309 (or 304 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 19.

The square root of 13201525 is about 3633.3902900734. The cubic root of 13201525 is about 236.3422509565.

Adding to 13201525 its reverse (52510231), we get a palindrome (65711756).

The spelling of 13201525 in words is "thirteen million, two hundred one thousand, five hundred twenty-five".

Divisors: 1 5 25 29 131 139 145 655 695 725 3275 3475 3799 4031 18209 18995 20155 91045 94975 100775 455225 528061 2640305 13201525