Search a number
-
+
52165037 = 215324229
BaseRepresentation
bin1100011011111…
…1100110101101
310122011020222102
43012333212231
5101323240122
65102024445
71202252441
oct306774655
9118136872
1052165037
112749a401
1215578125
13aa659b2
146cdc821
1548a6492
hex31bf9ad

52165037 has 4 divisors (see below), whose sum is σ = 52191420. Its totient is φ = 52138656.

The previous prime is 52165031. The next prime is 52165039. The reversal of 52165037 is 73056125.

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 4748041 + 47416996 = 2179^2 + 6886^2 .

It is a cyclic number.

It is not a de Polignac number, because 52165037 - 24 = 52165021 is a prime.

It is a super-2 number, since 2×521650372 = 5442382170422738, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52165031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9962 + ... + 14267.

It is an arithmetic number, because the mean of its divisors is an integer number (13047855).

Almost surely, 252165037 is an apocalyptic number.

It is an amenable number.

52165037 is a deficient number, since it is larger than the sum of its proper divisors (26383).

52165037 is a wasteful number, since it uses less digits than its factorization.

52165037 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26382.

The product of its (nonzero) digits is 6300, while the sum is 29.

The square root of 52165037 is about 7222.5367427241. The cubic root of 52165037 is about 373.6455720300.

The spelling of 52165037 in words is "fifty-two million, one hundred sixty-five thousand, thirty-seven".

Divisors: 1 2153 24229 52165037