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252230565 = 35411073833
BaseRepresentation
bin11110000100010…
…11101110100101
3122120121122021210
433002023232211
51004032334230
641010102033
76151632036
oct1702135645
9576548253
10252230565
1111a417614
127057a919
1340343a72
14256daa8d
1517224eb0
hexf08bba5

252230565 has 32 divisors (see below), whose sum is σ = 417384576. Its totient is φ = 129981440.

The previous prime is 252230557. The next prime is 252230569. The reversal of 252230565 is 565032252.

It is not a de Polignac number, because 252230565 - 23 = 252230557 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252230569) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 63889 + ... + 67721.

It is an arithmetic number, because the mean of its divisors is an integer number (13043268).

Almost surely, 2252230565 is an apocalyptic number.

It is an amenable number.

252230565 is a deficient number, since it is larger than the sum of its proper divisors (165154011).

252230565 is a wasteful number, since it uses less digits than its factorization.

252230565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3989.

The product of its (nonzero) digits is 18000, while the sum is 30.

The square root of 252230565 is about 15881.7683209396. The cubic root of 252230565 is about 631.8285374805.

The spelling of 252230565 in words is "two hundred fifty-two million, two hundred thirty thousand, five hundred sixty-five".

Divisors: 1 3 5 15 41 107 123 205 321 535 615 1605 3833 4387 11499 13161 19165 21935 57495 65805 157153 410131 471459 785765 1230393 2050655 2357295 6151965 16815371 50446113 84076855 252230565