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25260379 = 237710627
BaseRepresentation
bin110000001011…
…1000101011011
31202112100201121
41200113011123
522431313004
62301230111
7424465264
oct140270533
952470647
1025260379
1113293551
128562337
135305891
1434d796b
15233e854
hex181715b

25260379 has 4 divisors (see below), whose sum is σ = 25273384. Its totient is φ = 25247376.

The previous prime is 25260373. The next prime is 25260401. The reversal of 25260379 is 97306252.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 25260379 - 27 = 25260251 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25260373) 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, 2937 + ... + 7690.

It is an arithmetic number, because the mean of its divisors is an integer number (6318346).

Almost surely, 225260379 is an apocalyptic number.

25260379 is a deficient number, since it is larger than the sum of its proper divisors (13005).

25260379 is a wasteful number, since it uses less digits than its factorization.

25260379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13004.

The product of its (nonzero) digits is 22680, while the sum is 34.

The square root of 25260379 is about 5025.9704535542. The cubic root of 25260379 is about 293.4134068874.

The spelling of 25260379 in words is "twenty-five million, two hundred sixty thousand, three hundred seventy-nine".

Divisors: 1 2377 10627 25260379