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25042265 = 531161563
BaseRepresentation
bin101111110000…
…1110101011001
31202010021112022
41133201311121
522402323030
62252424225
7422566343
oct137416531
952107468
1025042265
1113154696
128478075
13525a511
14347c293
1522e9de5
hex17e1d59

25042265 has 8 divisors (see below), whose sum is σ = 31020288. Its totient is φ = 19387440.

The previous prime is 25042261. The next prime is 25042273. The reversal of 25042265 is 56224052.

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

It is not a de Polignac number, because 25042265 - 22 = 25042261 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25042261) 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, 80627 + ... + 80936.

It is an arithmetic number, because the mean of its divisors is an integer number (3877536).

Almost surely, 225042265 is an apocalyptic number.

It is an amenable number.

25042265 is a deficient number, since it is larger than the sum of its proper divisors (5978023).

25042265 is a wasteful number, since it uses less digits than its factorization.

25042265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161599.

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 25042265 is about 5004.2247151782. The cubic root of 25042265 is about 292.5664591967.

The spelling of 25042265 in words is "twenty-five million, forty-two thousand, two hundred sixty-five".

Divisors: 1 5 31 155 161563 807815 5008453 25042265