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25085695 = 553181523
BaseRepresentation
bin101111110110…
…0011011111111
31202012111002211
41133230123333
522410220240
62253401251
7423140065
oct137543377
952174084
1025085695
1113184288
128499227
13527420b
143490035
152307bea
hex17ec6ff

25085695 has 16 divisors (see below), whose sum is σ = 30899232. Its totient is φ = 19543680.

The previous prime is 25085689. The next prime is 25085699. The reversal of 25085695 is 59658052.

It is not a de Polignac number, because 25085695 - 211 = 25083647 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 (25085699) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47704 + ... + 48226.

It is an arithmetic number, because the mean of its divisors is an integer number (1931202).

Almost surely, 225085695 is an apocalyptic number.

25085695 is a deficient number, since it is larger than the sum of its proper divisors (5813537).

25085695 is a wasteful number, since it uses less digits than its factorization.

25085695 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 762.

The product of its (nonzero) digits is 108000, while the sum is 40.

The square root of 25085695 is about 5008.5621689263. The cubic root of 25085695 is about 292.7354910727.

The spelling of 25085695 in words is "twenty-five million, eighty-five thousand, six hundred ninety-five".

Divisors: 1 5 53 181 265 523 905 2615 9593 27719 47965 94663 138595 473315 5017139 25085695