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25164085 = 522722171
BaseRepresentation
bin101111111111…
…1100100110101
31202100110122011
41133333210311
522420222320
62255204221
7423614452
oct137774465
952313564
1025164085
1113228171
128516671
1352a0abb
1434b0829
15232105a
hex17ff935

25164085 has 8 divisors (see below), whose sum is σ = 30331296. Its totient is φ = 20041680.

The previous prime is 25164079. The next prime is 25164101. The reversal of 25164085 is 58046152.

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

It is not a de Polignac number, because 25164085 - 25 = 25164053 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9951 + ... + 12220.

It is an arithmetic number, because the mean of its divisors is an integer number (3791412).

Almost surely, 225164085 is an apocalyptic number.

It is an amenable number.

25164085 is a deficient number, since it is larger than the sum of its proper divisors (5167211).

25164085 is a wasteful number, since it uses less digits than its factorization.

25164085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22403.

The product of its (nonzero) digits is 9600, while the sum is 31.

The square root of 25164085 is about 5016.3816641081. The cubic root of 25164085 is about 293.0400959312.

The spelling of 25164085 in words is "twenty-five million, one hundred sixty-four thousand, eighty-five".

Divisors: 1 5 227 1135 22171 110855 5032817 25164085