Search a number
-
+
25782632 = 2323140123
BaseRepresentation
bin110001001011…
…0100101101000
31210111220010022
41202112211220
523100021012
62320340012
7432102011
oct142264550
953456108
1025782632
111360a967
128774608
1354594c5
1435d2008
1523e4472
hex1896968

25782632 has 16 divisors (see below), whose sum is σ = 50444640. Its totient is φ = 12330736.

The previous prime is 25782619. The next prime is 25782637. The reversal of 25782632 is 23628752.

It is a super-2 number, since 2×257826322 = 1329488225694848, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 25782592 and 25782601.

It is not an unprimeable number, because it can be changed into a prime (25782637) 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 3 ways as a sum of consecutive naturals, for example, 69878 + ... + 70245.

It is an arithmetic number, because the mean of its divisors is an integer number (3152790).

Almost surely, 225782632 is an apocalyptic number.

It is an amenable number.

25782632 is a deficient number, since it is larger than the sum of its proper divisors (24662008).

25782632 is a wasteful number, since it uses less digits than its factorization.

25782632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140152 (or 140148 counting only the distinct ones).

The product of its digits is 40320, while the sum is 35.

The square root of 25782632 is about 5077.6600910262. The cubic root of 25782632 is about 295.4217161070.

The spelling of 25782632 in words is "twenty-five million, seven hundred eighty-two thousand, six hundred thirty-two".

Divisors: 1 2 4 8 23 46 92 184 140123 280246 560492 1120984 3222829 6445658 12891316 25782632