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52386933 = 3191038923
BaseRepresentation
bin1100011111010…
…1110001110101
310122120112100210
43013311301311
5101402340213
65110500033
71204165404
oct307656165
9118515323
1052386933
1127631095
1215664619
13ab129b1
146d5963b
1548ec0c3
hex31f5c75

52386933 has 16 divisors (see below), whose sum is σ = 74247680. Its totient is φ = 32761584.

The previous prime is 52386923. The next prime is 52386941. The reversal of 52386933 is 33968325.

It is not a de Polignac number, because 52386933 - 210 = 52385909 is a prime.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 52386891 and 52386900.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52386923) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1410 + ... + 10332.

It is an arithmetic number, because the mean of its divisors is an integer number (4640480).

Almost surely, 252386933 is an apocalyptic number.

It is an amenable number.

52386933 is a deficient number, since it is larger than the sum of its proper divisors (21860747).

52386933 is a wasteful number, since it uses less digits than its factorization.

52386933 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9048.

The product of its digits is 116640, while the sum is 39.

The square root of 52386933 is about 7237.8818034008. The cubic root of 52386933 is about 374.1746184313.

The spelling of 52386933 in words is "fifty-two million, three hundred eighty-six thousand, nine hundred thirty-three".

Divisors: 1 3 19 57 103 309 1957 5871 8923 26769 169537 508611 919069 2757207 17462311 52386933