Search a number
-
+
52791765 = 3513972791
BaseRepresentation
bin1100100101100…
…0100111010101
310200100002200120
43021120213111
5102003314030
65123302153
71210502565
oct311304725
9120302616
1052791765
1127888264
121581a959
13ac25040
147022da5
15497c010
hex32589d5

52791765 has 32 divisors (see below), whose sum is σ = 91934976. Its totient is φ = 25712640.

The previous prime is 52791757. The next prime is 52791787. The reversal of 52791765 is 56719725.

52791765 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 52791765 - 23 = 52791757 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17520 + ... + 20310.

It is an arithmetic number, because the mean of its divisors is an integer number (2872968).

Almost surely, 252791765 is an apocalyptic number.

It is an amenable number.

52791765 is a deficient number, since it is larger than the sum of its proper divisors (39143211).

52791765 is a wasteful number, since it uses less digits than its factorization.

52791765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2909.

The product of its digits is 132300, while the sum is 42.

The square root of 52791765 is about 7265.7941754498. The cubic root of 52791765 is about 375.1359862369.

The spelling of 52791765 in words is "fifty-two million, seven hundred ninety-one thousand, seven hundred sixty-five".

Divisors: 1 3 5 13 15 39 65 97 195 291 485 1261 1455 2791 3783 6305 8373 13955 18915 36283 41865 108849 181415 270727 544245 812181 1353635 3519451 4060905 10558353 17597255 52791765