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52163565 = 3517204563
BaseRepresentation
bin1100011011111…
…1001111101101
310122011011221220
43012333033231
5101323213230
65102013553
71202245236
oct306771755
9118134856
1052163565
1127499293
12155772b9
13aa6511c
146cdc08d
1548a5d10
hex31bf3ed

52163565 has 16 divisors (see below), whose sum is σ = 88371648. Its totient is φ = 26183936.

The previous prime is 52163549. The next prime is 52163567. The reversal of 52163565 is 56536125.

It is a cyclic number.

It is not a de Polignac number, because 52163565 - 24 = 52163549 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52163567) 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, 102027 + ... + 102536.

It is an arithmetic number, because the mean of its divisors is an integer number (5523228).

Almost surely, 252163565 is an apocalyptic number.

It is an amenable number.

52163565 is a deficient number, since it is larger than the sum of its proper divisors (36208083).

52163565 is a wasteful number, since it uses less digits than its factorization.

52163565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204588.

The product of its digits is 27000, while the sum is 33.

The square root of 52163565 is about 7222.4348387507. The cubic root of 52163565 is about 373.6420574700.

The spelling of 52163565 in words is "fifty-two million, one hundred sixty-three thousand, five hundred sixty-five".

Divisors: 1 3 5 15 17 51 85 255 204563 613689 1022815 3068445 3477571 10432713 17387855 52163565