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890983 = 5316811
BaseRepresentation
bin11011001100001100111
31200021012101
43121201213
5212002413
631032531
710400422
oct3314147
91607171
10890983
11559455
1236b747
13252712
141929b9
15128edd
hexd9867

890983 has 4 divisors (see below), whose sum is σ = 907848. Its totient is φ = 874120.

The previous prime is 890969. The next prime is 890993. The reversal of 890983 is 389098.

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 890983 - 217 = 759911 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (890933) 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, 8353 + ... + 8458.

It is an arithmetic number, because the mean of its divisors is an integer number (226962).

2890983 is an apocalyptic number.

890983 is a deficient number, since it is larger than the sum of its proper divisors (16865).

890983 is a wasteful number, since it uses less digits than its factorization.

890983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16864.

The product of its (nonzero) digits is 15552, while the sum is 37.

The square root of 890983 is about 943.9189583857. The cubic root of 890983 is about 96.2254179085.

The spelling of 890983 in words is "eight hundred ninety thousand, nine hundred eighty-three".

Divisors: 1 53 16811 890983