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52136037 = 325792893
BaseRepresentation
bin1100011011100…
…0100001100101
310122002210012100
43012320201211
5101321323122
65101242313
71202102052
oct306704145
9118083170
1052136037
112747a638
1215563399
13aa55735
146cd2029
15489caac
hex31b8865

52136037 has 6 divisors (see below), whose sum is σ = 75307622. Its totient is φ = 34757352.

The previous prime is 52136027. The next prime is 52136041. The reversal of 52136037 is 73063125.

It is a happy number.

52136037 is a `hidden beast` number, since 52 + 1 + 3 + 603 + 7 = 666.

It can be written as a sum of positive squares in only one way, i.e., 37344321 + 14791716 = 6111^2 + 3846^2 .

It is not a de Polignac number, because 52136037 - 211 = 52133989 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 52136037.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52136027) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2896438 + ... + 2896455.

Almost surely, 252136037 is an apocalyptic number.

It is an amenable number.

52136037 is a deficient number, since it is larger than the sum of its proper divisors (23171585).

52136037 is a wasteful number, since it uses less digits than its factorization.

52136037 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5792899 (or 5792896 counting only the distinct ones).

The product of its (nonzero) digits is 3780, while the sum is 27.

The square root of 52136037 is about 7220.5288587471. The cubic root of 52136037 is about 373.5763191945.

The spelling of 52136037 in words is "fifty-two million, one hundred thirty-six thousand, thirty-seven".

Divisors: 1 3 9 5792893 17378679 52136037