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24525 = 3252109
BaseRepresentation
bin101111111001101
31020122100
411333031
51241100
6305313
7131334
oct57715
936570
1024525
1117476
1212239
13b217
148d1b
157400
hex5fcd

24525 has 18 divisors (see below), whose sum is σ = 44330. Its totient is φ = 12960.

The previous prime is 24517. The next prime is 24527. The reversal of 24525 is 52542.

It can be written as a sum of positive squares in 3 ways, for example, as 2916 + 21609 = 54^2 + 147^2 .

It is not a de Polignac number, because 24525 - 23 = 24517 is a prime.

It is a hoax number, since the sum of its digits (18) coincides with the sum of the digits of its distinct prime factors.

It is a plaindrome in base 12.

It is a nialpdrome in base 15.

It is a junction number, because it is equal to n+sod(n) for n = 24498 and 24507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (24527) 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 17 ways as a sum of consecutive naturals, for example, 171 + ... + 279.

224525 is an apocalyptic number.

24525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

24525 is a deficient number, since it is larger than the sum of its proper divisors (19805).

24525 is a wasteful number, since it uses less digits than its factorization.

24525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125 (or 117 counting only the distinct ones).

The product of its digits is 400, while the sum is 18.

The square root of 24525 is about 156.6045976337. The cubic root of 24525 is about 29.0538041969.

The spelling of 24525 in words is "twenty-four thousand, five hundred twenty-five".

Divisors: 1 3 5 9 15 25 45 75 109 225 327 545 981 1635 2725 4905 8175 24525