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52689383 = 268719609
BaseRepresentation
bin1100100011111…
…1100111100111
310200010220020122
43020333213213
5101442030013
65121152155
71206565235
oct310774747
9120126218
1052689383
112781834a
121578b65b
13abba566
146dd7955
15495ba08
hex323f9e7

52689383 has 4 divisors (see below), whose sum is σ = 52711680. Its totient is φ = 52667088.

The previous prime is 52689359. The next prime is 52689391. The reversal of 52689383 is 38398625.

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 52689383 - 28 = 52689127 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52689323) 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, 7118 + ... + 12491.

It is an arithmetic number, because the mean of its divisors is an integer number (13177920).

Almost surely, 252689383 is an apocalyptic number.

52689383 is a deficient number, since it is larger than the sum of its proper divisors (22297).

52689383 is a wasteful number, since it uses less digits than its factorization.

52689383 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22296.

The product of its digits is 311040, while the sum is 44.

The square root of 52689383 is about 7258.7452772501. The cubic root of 52689383 is about 374.8933219520.

The spelling of 52689383 in words is "fifty-two million, six hundred eighty-nine thousand, three hundred eighty-three".

Divisors: 1 2687 19609 52689383