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52164605 = 510432921
BaseRepresentation
bin1100011011111…
…1011111111101
310122011020101102
43012333133331
5101323231410
65102022445
71202251253
oct306773775
9118136342
1052164605
112749a049
1215577a25
13aa6573c
146cdc5d3
1548a62a5
hex31bf7fd

52164605 has 4 divisors (see below), whose sum is σ = 62597532. Its totient is φ = 41731680.

The previous prime is 52164589. The next prime is 52164617. The reversal of 52164605 is 50646125.

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

It can be written as a sum of positive squares in 2 ways, for example, as 11689561 + 40475044 = 3419^2 + 6362^2 .

It is not a de Polignac number, because 52164605 - 24 = 52164589 is a prime.

It is a super-2 number, since 2×521646052 = 5442292029612050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5216456 + ... + 5216465.

It is an arithmetic number, because the mean of its divisors is an integer number (15649383).

Almost surely, 252164605 is an apocalyptic number.

It is an amenable number.

52164605 is a deficient number, since it is larger than the sum of its proper divisors (10432927).

52164605 is a wasteful number, since it uses less digits than its factorization.

52164605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10432926.

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 52164605 is about 7222.5068362723. The cubic root of 52164605 is about 373.6445405899.

The spelling of 52164605 in words is "fifty-two million, one hundred sixty-four thousand, six hundred five".

Divisors: 1 5 10432921 52164605