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252590569 = 7116153777
BaseRepresentation
bin11110000111000…
…11100111101001
3122121021221010021
433003203213221
51004130344234
641021520441
76154661440
oct1703434751
9577257107
10252590569
1111a643040
1270713121
134043b89a
1425791d57
15172969b4
hexf0e39e9

252590569 has 16 divisors (see below), whose sum is σ = 320086656. Its totient is φ = 193593600.

The previous prime is 252590563. The next prime is 252590581. The reversal of 252590569 is 965095252.

It is a cyclic number.

It is not a de Polignac number, because 252590569 - 213 = 252582377 is a prime.

It is a super-2 number, since 2×2525905692 = 127603991095487522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (252590563) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22192 + ... + 31585.

It is an arithmetic number, because the mean of its divisors is an integer number (20005416).

Almost surely, 2252590569 is an apocalyptic number.

It is an amenable number.

252590569 is a deficient number, since it is larger than the sum of its proper divisors (67496087).

252590569 is a wasteful number, since it uses less digits than its factorization.

252590569 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53856.

The product of its (nonzero) digits is 243000, while the sum is 43.

The square root of 252590569 is about 15893.0981561180. The cubic root of 252590569 is about 632.1289936255.

The spelling of 252590569 in words is "two hundred fifty-two million, five hundred ninety thousand, five hundred sixty-nine".

Divisors: 1 7 11 61 77 427 671 4697 53777 376439 591547 3280397 4140829 22962779 36084367 252590569