Search a number
-
+
52020868 = 2279164623
BaseRepresentation
bin1100011001110…
…0011010000100
310121212221012211
43012130122010
5101304131433
65054553204
71201112224
oct306343204
9117787184
1052020868
1127401059
1215508804
13aa151a3
146ca2084
1548788cd
hex319c684

52020868 has 12 divisors (see below), whose sum is σ = 92189440. Its totient is φ = 25681032.

The previous prime is 52020827. The next prime is 52020887. The reversal of 52020868 is 86802025.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 81996 + ... + 82627.

Almost surely, 252020868 is an apocalyptic number.

It is an amenable number.

52020868 is a deficient number, since it is larger than the sum of its proper divisors (40168572).

52020868 is a wasteful number, since it uses less digits than its factorization.

52020868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164706 (or 164704 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 31.

The square root of 52020868 is about 7212.5493412524. The cubic root of 52020868 is about 373.3010385188.

The spelling of 52020868 in words is "fifty-two million, twenty thousand, eight hundred sixty-eight".

Divisors: 1 2 4 79 158 316 164623 329246 658492 13005217 26010434 52020868