Search a number
-
+
25056072 = 2332348001
BaseRepresentation
bin101111110010…
…1001101001000
31202010222110200
41133211031020
522403243242
62253012200
7422654526
oct137451510
952128420
1025056072
1113163aa8
128484060
1352638a2
143483316
1522ee04c
hex17e5348

25056072 has 24 divisors (see below), whose sum is σ = 67860390. Its totient is φ = 8352000.

The previous prime is 25056037. The next prime is 25056077. The reversal of 25056072 is 27065052.

25056072 is a `hidden beast` number, since 2 + 50 + 5 + 607 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 15729156 + 9326916 = 3966^2 + 3054^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is not an unprimeable number, because it can be changed into a prime (25056077) 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, 173929 + ... + 174072.

Almost surely, 225056072 is an apocalyptic number.

It is an amenable number.

25056072 is an abundant number, since it is smaller than the sum of its proper divisors (42804318).

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

25056072 is a wasteful number, since it uses less digits than its factorization.

25056072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 348013 (or 348006 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 27.

The square root of 25056072 is about 5005.6040594518. The cubic root of 25056072 is about 292.6202179514.

The spelling of 25056072 in words is "twenty-five million, fifty-six thousand, seventy-two".

Divisors: 1 2 3 4 6 8 9 12 18 24 36 72 348001 696002 1044003 1392004 2088006 2784008 3132009 4176012 6264018 8352024 12528036 25056072