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52512065 = 5173759283
BaseRepresentation
bin1100100001010…
…0010101000001
310122210220000022
43020110111001
5101420341230
65113303225
71205226254
oct310242501
9118726008
1052512065
1127707101
1215704b15
13ab57938
146d8d09b
1549241e5
hex3214541

52512065 has 32 divisors (see below), whose sum is σ = 69932160. Its totient is φ = 37684224.

The previous prime is 52512037. The next prime is 52512077. The reversal of 52512065 is 56021525.

It is a cyclic number.

It is not a de Polignac number, because 52512065 - 222 = 48317761 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 185414 + ... + 185696.

It is an arithmetic number, because the mean of its divisors is an integer number (2185380).

Almost surely, 252512065 is an apocalyptic number.

It is an amenable number.

52512065 is a deficient number, since it is larger than the sum of its proper divisors (17420095).

52512065 is a wasteful number, since it uses less digits than its factorization.

52512065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 401.

The product of its (nonzero) digits is 3000, while the sum is 26.

The square root of 52512065 is about 7246.5208893648. The cubic root of 52512065 is about 374.4723007339.

The spelling of 52512065 in words is "fifty-two million, five hundred twelve thousand, sixty-five".

Divisors: 1 5 17 37 59 85 185 283 295 629 1003 1415 2183 3145 4811 5015 10471 10915 16697 24055 37111 52355 83485 178007 185555 283849 617789 890035 1419245 3088945 10502413 52512065