Search a number
-
+
25553034 = 23213109201
BaseRepresentation
bin110000101111…
…0100010001010
31210002020011200
41201132202022
523020144114
62311405030
7430124433
oct141364212
953066150
1025553034
1113473411
128683776
1353a8b50
14357248a
15239b409
hex185e88a

25553034 has 24 divisors (see below), whose sum is σ = 59624292. Its totient is φ = 7862400.

The previous prime is 25553027. The next prime is 25553071. The reversal of 25553034 is 43035552.

25553034 = 13962 + 13972 + ... + 14082.

It can be written as a sum of positive squares in 2 ways, for example, as 25553025 + 9 = 5055^2 + 3^2 .

It is a junction number, because it is equal to n+sod(n) for n = 25552989 and 25553007.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 54367 + ... + 54834.

Almost surely, 225553034 is an apocalyptic number.

25553034 is an abundant number, since it is smaller than the sum of its proper divisors (34071258).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25553034 is a wasteful number, since it uses less digits than its factorization.

25553034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109222 (or 109219 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 27.

The square root of 25553034 is about 5055.0008902076. Note that the first 3 decimals coincide. The cubic root of 25553034 is about 294.5421759934.

Adding to 25553034 its reverse (43035552), we get a palindrome (68588586).

The spelling of 25553034 in words is "twenty-five million, five hundred fifty-three thousand, thirty-four".

Divisors: 1 2 3 6 9 13 18 26 39 78 117 234 109201 218402 327603 655206 982809 1419613 1965618 2839226 4258839 8517678 12776517 25553034