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25368193 = 239310601
BaseRepresentation
bin110000011000…
…1011010000001
31202201211121201
41200301122001
522443240233
62303421201
7425424514
oct140613201
952654551
1025368193
1113357554
1285b4801
135342986
143524d7b
15236177d
hex1831681

25368193 has 4 divisors (see below), whose sum is σ = 25381188. Its totient is φ = 25355200.

The previous prime is 25368169. The next prime is 25368221. The reversal of 25368193 is 39186352.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 9591409 + 15776784 = 3097^2 + 3972^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-25368193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25368593) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2908 + ... + 7693.

It is an arithmetic number, because the mean of its divisors is an integer number (6345297).

Almost surely, 225368193 is an apocalyptic number.

It is an amenable number.

25368193 is a deficient number, since it is larger than the sum of its proper divisors (12995).

25368193 is a wasteful number, since it uses less digits than its factorization.

25368193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12994.

The product of its digits is 38880, while the sum is 37.

The square root of 25368193 is about 5036.6847231090. The cubic root of 25368193 is about 293.8302543358.

The spelling of 25368193 in words is "twenty-five million, three hundred sixty-eight thousand, one hundred ninety-three".

Divisors: 1 2393 10601 25368193