Search a number
-
+
213883 = 1911257
BaseRepresentation
bin110100001101111011
3101212101121
4310031323
523321013
64330111
71550365
oct641573
9355347
10213883
1113676a
12a3937
1376477
1457d35
154358d
hex3437b

213883 has 4 divisors (see below), whose sum is σ = 225160. Its totient is φ = 202608.

The previous prime is 213881. The next prime is 213887. The reversal of 213883 is 388312.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 213883 - 21 = 213881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (213881) 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 3 ways as a sum of consecutive naturals, for example, 5610 + ... + 5647.

It is an arithmetic number, because the mean of its divisors is an integer number (56290).

2213883 is an apocalyptic number.

213883 is a deficient number, since it is larger than the sum of its proper divisors (11277).

213883 is a wasteful number, since it uses less digits than its factorization.

213883 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11276.

The product of its digits is 1152, while the sum is 25.

The square root of 213883 is about 462.4748641818. The cubic root of 213883 is about 59.8033375840.

The spelling of 213883 in words is "two hundred thirteen thousand, eight hundred eighty-three".

Divisors: 1 19 11257 213883