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25132055 = 513386647
BaseRepresentation
bin101111111011…
…1110000010111
31202021211200212
41133313300113
522413211210
62254400035
7423422204
oct137676027
952254625
1025132055
11132060a3
12850001b
13528c350
1434a2cab
152316805
hex17f7c17

25132055 has 8 divisors (see below), whose sum is σ = 32478432. Its totient is φ = 18559008.

The previous prime is 25132049. The next prime is 25132073. The reversal of 25132055 is 55023152.

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

It is not a de Polignac number, because 25132055 - 210 = 25131031 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 25132055.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 193259 + ... + 193388.

It is an arithmetic number, because the mean of its divisors is an integer number (4059804).

Almost surely, 225132055 is an apocalyptic number.

25132055 is a deficient number, since it is larger than the sum of its proper divisors (7346377).

25132055 is a wasteful number, since it uses less digits than its factorization.

25132055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 386665.

The product of its (nonzero) digits is 1500, while the sum is 23.

The square root of 25132055 is about 5013.1881073824. The cubic root of 25132055 is about 292.9157115233.

The spelling of 25132055 in words is "twenty-five million, one hundred thirty-two thousand, fifty-five".

Divisors: 1 5 13 65 386647 1933235 5026411 25132055