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890013 = 32411231
BaseRepresentation
bin11011001010010011101
31200012212110
43121102131
5211440023
631024233
710364535
oct3312235
91605773
10890013
11558753
1236b079
13252147
141924c5
15128a93
hexd949d

890013 has 8 divisors (see below), whose sum is σ = 1192576. Its totient is φ = 590400.

The previous prime is 890011. The next prime is 890027. The reversal of 890013 is 310098.

890013 is nontrivially palindromic in base 16.

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

It is not a de Polignac number, because 890013 - 21 = 890011 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (890011) 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 7 ways as a sum of consecutive naturals, for example, 108 + ... + 1338.

It is an arithmetic number, because the mean of its divisors is an integer number (149072).

2890013 is an apocalyptic number.

It is an amenable number.

890013 is a deficient number, since it is larger than the sum of its proper divisors (302563).

890013 is a wasteful number, since it uses less digits than its factorization.

890013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1475.

The product of its (nonzero) digits is 216, while the sum is 21.

The square root of 890013 is about 943.4050031667. The cubic root of 890013 is about 96.1904854994.

The spelling of 890013 in words is "eight hundred ninety thousand, thirteen".

Divisors: 1 3 241 723 1231 3693 296671 890013