Search a number
-
+
25324889 = 91127799
BaseRepresentation
bin110000010011…
…0110101011001
31202122122012212
41200212311121
522440344024
62302444505
7425154332
oct140466531
952578185
1025324889
1113327a67
128593735
135329055
143513289
152353a0e
hex1826d59

25324889 has 4 divisors (see below), whose sum is σ = 25353600. Its totient is φ = 25296180.

The previous prime is 25324879. The next prime is 25324903. The reversal of 25324889 is 98842352.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 25324889 - 212 = 25320793 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25324829) 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, 12989 + ... + 14810.

It is an arithmetic number, because the mean of its divisors is an integer number (6338400).

Almost surely, 225324889 is an apocalyptic number.

It is an amenable number.

25324889 is a deficient number, since it is larger than the sum of its proper divisors (28711).

25324889 is an equidigital number, since it uses as much as digits as its factorization.

25324889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28710.

The product of its digits is 138240, while the sum is 41.

The square root of 25324889 is about 5032.3840274764. The cubic root of 25324889 is about 293.6629677884.

The spelling of 25324889 in words is "twenty-five million, three hundred twenty-four thousand, eight hundred eighty-nine".

Divisors: 1 911 27799 25324889