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52968779 = 127569733
BaseRepresentation
bin1100101000001…
…1110101001011
310200200002111122
43022003311023
5102030000104
65131145455
71212140633
oct312036513
9120602448
1052968779
1127999256
12158a528b
13ac87796
14706b6c3
1549b46be
hex3283d4b

52968779 has 8 divisors (see below), whose sum is σ = 53552640. Its totient is φ = 52387776.

The previous prime is 52968749. The next prime is 52968791. The reversal of 52968779 is 97786925.

52968779 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 52968779 - 212 = 52964683 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 52968779.

It is not an unprimeable number, because it can be changed into a prime (52968749) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 71897 + ... + 72629.

It is an arithmetic number, because the mean of its divisors is an integer number (6694080).

Almost surely, 252968779 is an apocalyptic number.

52968779 is a deficient number, since it is larger than the sum of its proper divisors (583861).

52968779 is a wasteful number, since it uses less digits than its factorization.

52968779 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1429.

The product of its digits is 1905120, while the sum is 53.

The square root of 52968779 is about 7277.9653063202. The cubic root of 52968779 is about 375.5548030743.

The spelling of 52968779 in words is "fifty-two million, nine hundred sixty-eight thousand, seven hundred seventy-nine".

Divisors: 1 127 569 733 72263 93091 417077 52968779