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52512163 = 114773833
BaseRepresentation
bin1100100001010…
…0010110100011
310122210220010221
43020110112203
5101420342123
65113303511
71205226454
oct310242643
9118726127
1052512163
1127707190
1215704b97
13ab579b2
146d8d12b
15492425d
hex32145a3

52512163 has 4 divisors (see below), whose sum is σ = 57286008. Its totient is φ = 47738320.

The previous prime is 52512149. The next prime is 52512179. The reversal of 52512163 is 36121525.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 52512163 - 29 = 52511651 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52512763) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2386906 + ... + 2386927.

It is an arithmetic number, because the mean of its divisors is an integer number (14321502).

Almost surely, 252512163 is an apocalyptic number.

52512163 is a deficient number, since it is larger than the sum of its proper divisors (4773845).

52512163 is a wasteful number, since it uses less digits than its factorization.

52512163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4773844.

The product of its digits is 1800, while the sum is 25.

The square root of 52512163 is about 7246.5276512272. The cubic root of 52512163 is about 374.4725336852.

Adding to 52512163 its reverse (36121525), we get a palindrome (88633688).

It can be divided in two parts, 52 and 512163, that added together give a palindrome (512215).

The spelling of 52512163 in words is "fifty-two million, five hundred twelve thousand, one hundred sixty-three".

Divisors: 1 11 4773833 52512163