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25113243 = 317594759
BaseRepresentation
bin101111111001…
…1001010011011
31202020212220010
41133303022123
522412110433
62254133003
7423313311
oct137631233
952225803
1025113243
11131a2a51
1284b1163
13528390c
14349a0b1
152310e63
hex17f329b

25113243 has 8 divisors (see below), whose sum is σ = 33510400. Its totient is φ = 16729128.

The previous prime is 25113239. The next prime is 25113259. The reversal of 25113243 is 34231152.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 25113243 - 22 = 25113239 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25113223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2898 + ... + 7656.

It is an arithmetic number, because the mean of its divisors is an integer number (4188800).

Almost surely, 225113243 is an apocalyptic number.

25113243 is a deficient number, since it is larger than the sum of its proper divisors (8397157).

25113243 is a wasteful number, since it uses less digits than its factorization.

25113243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6521.

The product of its digits is 720, while the sum is 21.

The square root of 25113243 is about 5011.3115049855. The cubic root of 25113243 is about 292.8426082586.

Adding to 25113243 its reverse (34231152), we get a palindrome (59344395).

The spelling of 25113243 in words is "twenty-five million, one hundred thirteen thousand, two hundred forty-three".

Divisors: 1 3 1759 4759 5277 14277 8371081 25113243