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25130683 = 28388801
BaseRepresentation
bin101111111011…
…1011010111011
31202021202211001
41133313122323
522413140213
62254345431
7423415204
oct137673273
952252731
1025130683
1113205066
1284bb277
13528b836
1434a25ab
1523161dd
hex17f76bb

25130683 has 4 divisors (see below), whose sum is σ = 25219768. Its totient is φ = 25041600.

The previous prime is 25130669. The next prime is 25130687. The reversal of 25130683 is 38603152.

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 25130683 - 213 = 25122491 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25130687) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44118 + ... + 44683.

It is an arithmetic number, because the mean of its divisors is an integer number (6304942).

Almost surely, 225130683 is an apocalyptic number.

25130683 is a deficient number, since it is larger than the sum of its proper divisors (89085).

25130683 is an equidigital number, since it uses as much as digits as its factorization.

25130683 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89084.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 25130683 is about 5013.0512664444. The cubic root of 25130683 is about 292.9103811770.

The spelling of 25130683 in words is "twenty-five million, one hundred thirty thousand, six hundred eighty-three".

Divisors: 1 283 88801 25130683