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25042671 = 328873137
BaseRepresentation
bin101111110000…
…1111011101111
31202010022002100
41133201323233
522402331141
62252430143
7422600463
oct137417357
952108070
1025042671
1113154a25
128478353
13525a764
14347c4a3
1522ea0b6
hex17e1eef

25042671 has 12 divisors (see below), whose sum is σ = 36225072. Its totient is φ = 16670976.

The previous prime is 25042669. The next prime is 25042679. The reversal of 25042671 is 17624052.

It is not a de Polignac number, because 25042671 - 21 = 25042669 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25042679) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6415 + ... + 9551.

It is an arithmetic number, because the mean of its divisors is an integer number (3018756).

Almost surely, 225042671 is an apocalyptic number.

25042671 is a deficient number, since it is larger than the sum of its proper divisors (11182401).

25042671 is a wasteful number, since it uses less digits than its factorization.

25042671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4030 (or 4027 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 25042671 is about 5004.2652807380. The cubic root of 25042671 is about 292.5680402749.

The spelling of 25042671 in words is "twenty-five million, forty-two thousand, six hundred seventy-one".

Divisors: 1 3 9 887 2661 3137 7983 9411 28233 2782519 8347557 25042671