Search a number
-
+
25390204 = 227906793
BaseRepresentation
bin110000011011…
…0110001111100
31202202221210221
41200312301330
522444441304
62304111124
7425545630
oct140666174
952687727
1025390204
1113372044
1286054a4
13534c9b8
14352cdc0
152368054
hex1836c7c

25390204 has 12 divisors (see below), whose sum is σ = 50780464. Its totient is φ = 10881504.

The previous prime is 25390201. The next prime is 25390207. The reversal of 25390204 is 40209352.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (25390201) and next prime (25390207).

25390204 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25390201) 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 3 ways as a sum of consecutive naturals, for example, 453369 + ... + 453424.

Almost surely, 225390204 is an apocalyptic number.

It is an amenable number.

25390204 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

25390204 is a wasteful number, since it uses less digits than its factorization.

25390204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 906804 (or 906802 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 25390204 is about 5038.8693176148. The cubic root of 25390204 is about 293.9152114853.

Adding to 25390204 its reverse (40209352), we get a palindrome (65599556).

The spelling of 25390204 in words is "twenty-five million, three hundred ninety thousand, two hundred four".

Divisors: 1 2 4 7 14 28 906793 1813586 3627172 6347551 12695102 25390204