Search a number
-
+
52897159 = 719397723
BaseRepresentation
bin1100100111001…
…0010110000111
310200112110021001
43021302112013
5102020202114
65125434131
71211422060
oct311622607
9120473231
1052897159
112794a467
121586b947
13ac60cc3
14704d567
15499d374
hex3272587

52897159 has 8 divisors (see below), whose sum is σ = 63635840. Its totient is φ = 42953976.

The previous prime is 52897157. The next prime is 52897177. The reversal of 52897159 is 95179825.

52897159 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 52897159 - 21 = 52897157 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 (52897157) 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, 198729 + ... + 198994.

It is an arithmetic number, because the mean of its divisors is an integer number (7954480).

Almost surely, 252897159 is an apocalyptic number.

52897159 is a deficient number, since it is larger than the sum of its proper divisors (10738681).

52897159 is a wasteful number, since it uses less digits than its factorization.

52897159 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 397749.

The product of its digits is 226800, while the sum is 46.

The square root of 52897159 is about 7273.0433107469. The cubic root of 52897159 is about 375.3854620187.

The spelling of 52897159 in words is "fifty-two million, eight hundred ninety-seven thousand, one hundred fifty-nine".

Divisors: 1 7 19 133 397723 2784061 7556737 52897159