Search a number
-
+
25297868 = 2271281317
BaseRepresentation
bin110000010000…
…0001111001100
31202121021011002
41200200033030
522434012433
62302115432
7425012501
oct140401714
952537132
1025297868
1113309732
12857bb78
13531996b
1435074a8
15234a9e8
hex18203cc

25297868 has 24 divisors (see below), whose sum is σ = 45196704. Its totient is φ = 12387200.

The previous prime is 25297849. The next prime is 25297879. The reversal of 25297868 is 86879252.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79646 + ... + 79962.

It is an arithmetic number, because the mean of its divisors is an integer number (1883196).

Almost surely, 225297868 is an apocalyptic number.

It is an amenable number.

25297868 is a deficient number, since it is larger than the sum of its proper divisors (19898836).

25297868 is a wasteful number, since it uses less digits than its factorization.

25297868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 673 (or 671 counting only the distinct ones).

The product of its digits is 483840, while the sum is 47.

The square root of 25297868 is about 5029.6985993198. The cubic root of 25297868 is about 293.5584870291.

The spelling of 25297868 in words is "twenty-five million, two hundred ninety-seven thousand, eight hundred sixty-eight".

Divisors: 1 2 4 71 142 281 284 317 562 634 1124 1268 19951 22507 39902 45014 79804 89077 90028 178154 356308 6324467 12648934 25297868