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52364868 = 2239744987
BaseRepresentation
bin1100011111000…
…0011001000100
310122112102002120
43013300121010
5101401133433
65110205540
71204044153
oct307603104
9118472076
1052364868
1127616556
12156538b0
13ab0593a
146d5159a
1548e57b3
hex31f0644

52364868 has 24 divisors (see below), whose sum is σ = 123447072. Its totient is φ = 17274624.

The previous prime is 52364863. The next prime is 52364881. The reversal of 52364868 is 86846325.

It is not an unprimeable number, because it can be changed into a prime (52364861) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 21330 + ... + 23657.

It is an arithmetic number, because the mean of its divisors is an integer number (5143628).

Almost surely, 252364868 is an apocalyptic number.

It is an amenable number.

52364868 is an abundant number, since it is smaller than the sum of its proper divisors (71082204).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

52364868 is a wasteful number, since it uses less digits than its factorization.

52364868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45091 (or 45089 counting only the distinct ones).

The product of its digits is 276480, while the sum is 42.

The square root of 52364868 is about 7236.3573709429. The cubic root of 52364868 is about 374.1220778333.

The spelling of 52364868 in words is "fifty-two million, three hundred sixty-four thousand, eight hundred sixty-eight".

Divisors: 1 2 3 4 6 12 97 194 291 388 582 1164 44987 89974 134961 179948 269922 539844 4363739 8727478 13091217 17454956 26182434 52364868