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25314965 = 513389461
BaseRepresentation
bin110000010010…
…0011010010101
31202122010121022
41200210122111
522440034330
62302330525
7425113364
oct140443225
952563538
1025314965
1113320565
128589a45
135324690
14350d7db
152350ae5
hex1824695

25314965 has 8 divisors (see below), whose sum is σ = 32714808. Its totient is φ = 18694080.

The previous prime is 25314959. The next prime is 25314967. The reversal of 25314965 is 56941352.

It can be written as a sum of positive squares in 4 ways, for example, as 2951524 + 22363441 = 1718^2 + 4729^2 .

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

It is not a de Polignac number, because 25314965 - 26 = 25314901 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 (25314967) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 194666 + ... + 194795.

It is an arithmetic number, because the mean of its divisors is an integer number (4089351).

Almost surely, 225314965 is an apocalyptic number.

It is an amenable number.

25314965 is a deficient number, since it is larger than the sum of its proper divisors (7399843).

25314965 is a wasteful number, since it uses less digits than its factorization.

25314965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 389479.

The product of its digits is 32400, while the sum is 35.

The square root of 25314965 is about 5031.3979170803. The cubic root of 25314965 is about 293.6246037894.

The spelling of 25314965 in words is "twenty-five million, three hundred fourteen thousand, nine hundred sixty-five".

Divisors: 1 5 13 65 389461 1947305 5062993 25314965