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52891 = 227233
BaseRepresentation
bin1100111010011011
32200112221
430322123
53143031
61044511
7310126
oct147233
980487
1052891
1136813
1226737
131b0c7
14153bd
1510a11
hexce9b

52891 has 4 divisors (see below), whose sum is σ = 53352. Its totient is φ = 52432.

The previous prime is 52889. The next prime is 52901. The reversal of 52891 is 19825.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 52891 - 21 = 52889 is a prime.

It is a Duffinian number.

52891 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (52861) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 111 + ... + 343.

It is an arithmetic number, because the mean of its divisors is an integer number (13338).

252891 is an apocalyptic number.

52891 is a deficient number, since it is larger than the sum of its proper divisors (461).

52891 is a wasteful number, since it uses less digits than its factorization.

52891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 460.

The product of its digits is 720, while the sum is 25.

The square root of 52891 is about 229.9804339504. The cubic root of 52891 is about 37.5370892309.

The spelling of 52891 in words is "fifty-two thousand, eight hundred ninety-one".

Divisors: 1 227 233 52891