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25057299 = 379105727
BaseRepresentation
bin101111110010…
…1100000010011
31202011001011010
41133211200103
522403313144
62253022003
7422661231
oct137454023
952131133
1025057299
1113164a13
128484903
135264307
143483951
1522ee5b9
hex17e5813

25057299 has 8 divisors (see below), whose sum is σ = 33832960. Its totient is φ = 16493256.

The previous prime is 25057289. The next prime is 25057301. The reversal of 25057299 is 99275052.

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

It is not a de Polignac number, because 25057299 - 27 = 25057171 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25057259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52627 + ... + 53100.

It is an arithmetic number, because the mean of its divisors is an integer number (4229120).

Almost surely, 225057299 is an apocalyptic number.

25057299 is a deficient number, since it is larger than the sum of its proper divisors (8775661).

25057299 is a wasteful number, since it uses less digits than its factorization.

25057299 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105809.

The product of its (nonzero) digits is 56700, while the sum is 39.

The square root of 25057299 is about 5005.7266205817. The cubic root of 25057299 is about 292.6249944270.

The spelling of 25057299 in words is "twenty-five million, fifty-seven thousand, two hundred ninety-nine".

Divisors: 1 3 79 237 105727 317181 8352433 25057299