Search a number
-
+
25545134 = 223557997
BaseRepresentation
bin110000101110…
…0100110101110
31210001211100002
41201130212232
523014421014
62311304302
7430062416
oct141344656
953054302
1025545134
111346848a
12867b092
1353a5384
14356d646
152398dde
hex185c9ae

25545134 has 16 divisors (see below), whose sum is σ = 40095648. Its totient is φ = 12183072.

The previous prime is 25545127. The next prime is 25545167. The reversal of 25545134 is 43154552.

It is a junction number, because it is equal to n+sod(n) for n = 25545097 and 25545106.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 25124 + ... + 26120.

It is an arithmetic number, because the mean of its divisors is an integer number (2505978).

Almost surely, 225545134 is an apocalyptic number.

25545134 is a deficient number, since it is larger than the sum of its proper divisors (14550514).

25545134 is a wasteful number, since it uses less digits than its factorization.

25545134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1579.

The product of its digits is 12000, while the sum is 29.

The square root of 25545134 is about 5054.2194253910. The cubic root of 25545134 is about 294.5118192195.

Adding to 25545134 its reverse (43154552), we get a palindrome (68699686).

The spelling of 25545134 in words is "twenty-five million, five hundred forty-five thousand, one hundred thirty-four".

Divisors: 1 2 23 46 557 997 1114 1994 12811 22931 25622 45862 555329 1110658 12772567 25545134