Search a number
-
+
25080004 = 226270001
BaseRepresentation
bin101111110101…
…1000011000100
31202012012022001
41133223003010
522410030004
62253315044
7423114355
oct137530304
952165261
1025080004
111317aa84
128495a84
135271751
14348bd2c
1523061a4
hex17eb0c4

25080004 has 6 divisors (see below), whose sum is σ = 43890014. Its totient is φ = 12540000.

The previous prime is 25079939. The next prime is 25080007. The reversal of 25080004 is 40008052.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 23522500 + 1557504 = 4850^2 + 1248^2 .

It is not an unprimeable number, because it can be changed into a prime (25080007) 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 as a sum of consecutive naturals, namely, 3134997 + ... + 3135004.

Almost surely, 225080004 is an apocalyptic number.

It is an amenable number.

25080004 is a deficient number, since it is larger than the sum of its proper divisors (18810010).

25080004 is a wasteful number, since it uses less digits than its factorization.

25080004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6270005 (or 6270003 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 25080004 is about 5007.9940095811. The cubic root of 25080004 is about 292.7133525102.

Adding to 25080004 its reverse (40008052), we get a palindrome (65088056).

The spelling of 25080004 in words is "twenty-five million, eighty thousand, four".

Divisors: 1 2 4 6270001 12540002 25080004