Search a number
-
+
25675732 = 2231720249
BaseRepresentation
bin110000111110…
…0011111010100
31210022110111001
41201330133110
523033110412
62314153044
7431145235
oct141743724
953273431
1025675732
1113547615
128722784
13541c954
1435a508c
1523c2957
hex187c7d4

25675732 has 12 divisors (see below), whose sum is σ = 45076500. Its totient is φ = 12796736.

The previous prime is 25675723. The next prime is 25675739. The reversal of 25675732 is 23757652.

It can be written as a sum of positive squares in 2 ways, for example, as 4016016 + 21659716 = 2004^2 + 4654^2 .

It is a junction number, because it is equal to n+sod(n) for n = 25675691 and 25675700.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25675739) 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, 8857 + ... + 11392.

It is an arithmetic number, because the mean of its divisors is an integer number (3756375).

Almost surely, 225675732 is an apocalyptic number.

It is an amenable number.

25675732 is a deficient number, since it is larger than the sum of its proper divisors (19400768).

25675732 is a wasteful number, since it uses less digits than its factorization.

25675732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20570 (or 20568 counting only the distinct ones).

The product of its digits is 88200, while the sum is 37.

The square root of 25675732 is about 5067.1226549197. The cubic root of 25675732 is about 295.0128578136.

The spelling of 25675732 in words is "twenty-five million, six hundred seventy-five thousand, seven hundred thirty-two".

Divisors: 1 2 4 317 634 1268 20249 40498 80996 6418933 12837866 25675732