Search a number
-
+
25261113 = 319742743
BaseRepresentation
bin110000001011…
…1010000111001
31202112101201210
41200113100321
522431323423
62301233333
7424500363
oct140272071
952471653
1025261113
1113294059
128562849
135306007
1434d7d33
15233eb93
hex1817439

25261113 has 8 divisors (see below), whose sum is σ = 33853248. Its totient is φ = 16754864.

The previous prime is 25261111. The next prime is 25261129. The reversal of 25261113 is 31116252.

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

It is a cyclic number.

It is not a de Polignac number, because 25261113 - 21 = 25261111 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 25261113.

It is not an unprimeable number, because it can be changed into a prime (25261111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20781 + ... + 21962.

It is an arithmetic number, because the mean of its divisors is an integer number (4231656).

Almost surely, 225261113 is an apocalyptic number.

It is an amenable number.

25261113 is a deficient number, since it is larger than the sum of its proper divisors (8592135).

25261113 is a wasteful number, since it uses less digits than its factorization.

25261113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42943.

The product of its digits is 360, while the sum is 21.

The square root of 25261113 is about 5026.0434737475. The cubic root of 25261113 is about 293.4162487998.

Adding to 25261113 its reverse (31116252), we get a palindrome (56377365).

The spelling of 25261113 in words is "twenty-five million, two hundred sixty-one thousand, one hundred thirteen".

Divisors: 1 3 197 591 42743 128229 8420371 25261113