Search a number
-
+
25618034 = 213275793
BaseRepresentation
bin110000110111…
…0011001110010
31210012112100002
41201232121302
523024234114
62313030002
7430515101
oct141563162
953175302
1025618034
1113508232
1286b5302
1353cc600
14358c038
1523b07de
hex186e672

25618034 has 12 divisors (see below), whose sum is σ = 41610906. Its totient is φ = 11823552.

The previous prime is 25617983. The next prime is 25618037. The reversal of 25618034 is 43081652.

It can be written as a sum of positive squares in 3 ways, for example, as 16933225 + 8684809 = 4115^2 + 2947^2 .

It is a junction number, because it is equal to n+sod(n) for n = 25617988 and 25618006.

It is not an unprimeable number, because it can be changed into a prime (25618037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 37559 + ... + 38234.

Almost surely, 225618034 is an apocalyptic number.

25618034 is a deficient number, since it is larger than the sum of its proper divisors (15992872).

25618034 is a wasteful number, since it uses less digits than its factorization.

25618034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75821 (or 75808 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 25618034 is about 5061.4260836250. The cubic root of 25618034 is about 294.7917097135.

Adding to 25618034 its reverse (43081652), we get a palindrome (68699686).

The spelling of 25618034 in words is "twenty-five million, six hundred eighteen thousand, thirty-four".

Divisors: 1 2 13 26 169 338 75793 151586 985309 1970618 12809017 25618034