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25042895 = 537135367
BaseRepresentation
bin101111110000…
…1111111001111
31202010022101122
41133201333033
522402333040
62252431155
7422601233
oct137417717
952108348
1025042895
1113155109
1284784bb
13525a8a7
14347c5c3
1522ea1b5
hex17e1fcf

25042895 has 8 divisors (see below), whose sum is σ = 30863904. Its totient is φ = 19492704.

The previous prime is 25042891. The next prime is 25042933. The reversal of 25042895 is 59824052.

It is a happy number.

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 25042895 - 22 = 25042891 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25042891) 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, 67499 + ... + 67868.

It is an arithmetic number, because the mean of its divisors is an integer number (3857988).

Almost surely, 225042895 is an apocalyptic number.

25042895 is a deficient number, since it is larger than the sum of its proper divisors (5821009).

25042895 is a wasteful number, since it uses less digits than its factorization.

25042895 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135409.

The product of its (nonzero) digits is 28800, while the sum is 35.

The square root of 25042895 is about 5004.2876615958. The cubic root of 25042895 is about 292.5689125866.

The spelling of 25042895 in words is "twenty-five million, forty-two thousand, eight hundred ninety-five".

Divisors: 1 5 37 185 135367 676835 5008579 25042895