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890103 = 31731563
BaseRepresentation
bin11011001010011110111
31200012222210
43121103313
5211440403
631024503
710365024
oct3312367
91605883
10890103
11558825
1236b133
132521b6
1419254b
15128b03
hexd94f7

890103 has 16 divisors (see below), whose sum is σ = 1299456. Its totient is φ = 539520.

The previous prime is 890083. The next prime is 890107. The reversal of 890103 is 301098.

It is not a de Polignac number, because 890103 - 212 = 886007 is a prime.

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

It is a self number, because there is not a number n which added to its sum of digits gives 890103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (890107) 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 15 ways as a sum of consecutive naturals, for example, 1300 + ... + 1862.

It is an arithmetic number, because the mean of its divisors is an integer number (81216).

2890103 is an apocalyptic number.

890103 is a deficient number, since it is larger than the sum of its proper divisors (409353).

890103 is a wasteful number, since it uses less digits than its factorization.

890103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 614.

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

The square root of 890103 is about 943.4527015171. The cubic root of 890103 is about 96.1937277187.

The spelling of 890103 in words is "eight hundred ninety thousand, one hundred three".

Divisors: 1 3 17 31 51 93 527 563 1581 1689 9571 17453 28713 52359 296701 890103