Search a number
-
+
13683525 = 352374931
BaseRepresentation
bin110100001100…
…101101000101
3221202012021020
4310030231011
512000333100
61205141353
7224210442
oct64145505
927665236
1013683525
1177a66a9
1246ba859
132ab137b
141b629c9
1513045a0
hexd0cb45

13683525 has 24 divisors (see below), whose sum is σ = 23239584. Its totient is φ = 7099200.

The previous prime is 13683517. The next prime is 13683529. The reversal of 13683525 is 52538631.

It is not a de Polignac number, because 13683525 - 23 = 13683517 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13683529) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 310 + ... + 5240.

It is an arithmetic number, because the mean of its divisors is an integer number (968316).

Almost surely, 213683525 is an apocalyptic number.

13683525 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13683525 is a deficient number, since it is larger than the sum of its proper divisors (9556059).

13683525 is a wasteful number, since it uses less digits than its factorization.

13683525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4981 (or 4976 counting only the distinct ones).

The product of its digits is 21600, while the sum is 33.

The square root of 13683525 is about 3699.1248965127. The cubic root of 13683525 is about 239.1842967305.

The spelling of 13683525 in words is "thirteen million, six hundred eighty-three thousand, five hundred twenty-five".

Divisors: 1 3 5 15 25 37 75 111 185 555 925 2775 4931 14793 24655 73965 123275 182447 369825 547341 912235 2736705 4561175 13683525