Search a number
-
+
252355525 = 5253732609
BaseRepresentation
bin11110000101010…
…10001111000101
3122120211222200221
433002222033011
51004100334100
641012504341
76152662252
oct1702521705
9576758627
10252355525
1111a4a2494
127061b0b1
13403888c6
1425730429
151724c01a
hexf0aa3c5

252355525 has 24 divisors (see below), whose sum is σ = 323316360. Its totient is φ = 195287040.

The previous prime is 252355501. The next prime is 252355529. The reversal of 252355525 is 525553252.

252355525 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 12 ways, for example, as 37527876 + 214827649 = 6126^2 + 14657^2 .

It is not a de Polignac number, because 252355525 - 215 = 252322757 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252355529) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 95421 + ... + 98029.

It is an arithmetic number, because the mean of its divisors is an integer number (13471515).

Almost surely, 2252355525 is an apocalyptic number.

252355525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

252355525 is a deficient number, since it is larger than the sum of its proper divisors (70960835).

252355525 is a wasteful number, since it uses less digits than its factorization.

252355525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2745 (or 2740 counting only the distinct ones).

The product of its digits is 75000, while the sum is 34.

The square root of 252355525 is about 15885.7019045430. The cubic root of 252355525 is about 631.9328603636.

The spelling of 252355525 in words is "two hundred fifty-two million, three hundred fifty-five thousand, five hundred twenty-five".

Divisors: 1 5 25 53 73 265 365 1325 1825 2609 3869 13045 19345 65225 96725 138277 190457 691385 952285 3456925 4761425 10094221 50471105 252355525