Search a number
-
+
25242152 = 2313242713
BaseRepresentation
bin110000001001…
…0101000101000
31202111102201112
41200102220220
522430222102
62301005452
7424361165
oct140225050
952442645
1025242152
1113280891
128553888
1352ca4b0
1434d106c
152339252
hex1812a28

25242152 has 16 divisors (see below), whose sum is σ = 50969940. Its totient is φ = 11650176.

The previous prime is 25242137. The next prime is 25242163. The reversal of 25242152 is 25124252.

It can be written as a sum of positive squares in 2 ways, for example, as 19061956 + 6180196 = 4366^2 + 2486^2 .

It is a super-2 number, since 2×252421522 = 1274332475182208, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 121253 + ... + 121460.

Almost surely, 225242152 is an apocalyptic number.

It is an amenable number.

25242152 is an abundant number, since it is smaller than the sum of its proper divisors (25727788).

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

25242152 is a wasteful number, since it uses less digits than its factorization.

25242152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242732 (or 242728 counting only the distinct ones).

The product of its digits is 1600, while the sum is 23.

The square root of 25242152 is about 5024.1568446855. The cubic root of 25242152 is about 293.3428176456.

The spelling of 25242152 in words is "twenty-five million, two hundred forty-two thousand, one hundred fifty-two".

Divisors: 1 2 4 8 13 26 52 104 242713 485426 970852 1941704 3155269 6310538 12621076 25242152