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25042929 = 323362941
BaseRepresentation
bin101111110000…
…1111111110001
31202010022102220
41133201333301
522402333204
62252431253
7422601312
oct137417761
952108386
1025042929
111315513a
128478529
13525a902
14347c609
1522ea1d9
hex17e1ff1

25042929 has 8 divisors (see below), whose sum is σ = 34842432. Its totient is φ = 15969360.

The previous prime is 25042891. The next prime is 25042933. The reversal of 25042929 is 92924052.

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

It is not a de Polignac number, because 25042929 - 221 = 22945777 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 25042929.

It is not an unprimeable number, because it can be changed into a prime (25042939) by changing a digit.

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, 181402 + ... + 181539.

It is an arithmetic number, because the mean of its divisors is an integer number (4355304).

Almost surely, 225042929 is an apocalyptic number.

It is an amenable number.

25042929 is a deficient number, since it is larger than the sum of its proper divisors (9799503).

25042929 is a wasteful number, since it uses less digits than its factorization.

25042929 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 362967.

The product of its (nonzero) digits is 12960, while the sum is 33.

The square root of 25042929 is about 5004.2910586815. The cubic root of 25042929 is about 292.5690449906.

The spelling of 25042929 in words is "twenty-five million, forty-two thousand, nine hundred twenty-nine".

Divisors: 1 3 23 69 362941 1088823 8347643 25042929