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25234239 = 317494789
BaseRepresentation
bin110000001000…
…0101100111111
31202111000212110
41200100230333
522424443424
62300505103
7424326132
oct140205477
952430773
1025234239
1113275948
12854b193
1352c6a04
1434cc219
152336c29
hex1810b3f

25234239 has 8 divisors (see below), whose sum is σ = 35624880. Its totient is φ = 15833216.

The previous prime is 25234219. The next prime is 25234267. The reversal of 25234239 is 93243252.

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

It is a cyclic number.

It is not a de Polignac number, because 25234239 - 25 = 25234207 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25234219) 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, 247344 + ... + 247445.

It is an arithmetic number, because the mean of its divisors is an integer number (4453110).

Almost surely, 225234239 is an apocalyptic number.

25234239 is a deficient number, since it is larger than the sum of its proper divisors (10390641).

25234239 is a wasteful number, since it uses less digits than its factorization.

25234239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 494809.

The product of its digits is 12960, while the sum is 30.

The square root of 25234239 is about 5023.3692876395. The cubic root of 25234239 is about 293.3121617238.

The spelling of 25234239 in words is "twenty-five million, two hundred thirty-four thousand, two hundred thirty-nine".

Divisors: 1 3 17 51 494789 1484367 8411413 25234239