Search a number
-
+
890793 = 32293413
BaseRepresentation
bin11011001011110101001
31200020221100
43121132221
5212001133
631032013
710400031
oct3313651
91606840
10890793
115592a2
1236b609
132525c7
141928c1
15128e13
hexd97a9

890793 has 12 divisors (see below), whose sum is σ = 1331460. Its totient is φ = 573216.

The previous prime is 890789. The next prime is 890797. The reversal of 890793 is 397098.

It is an interprime number because it is at equal distance from previous prime (890789) and next prime (890797).

It can be written as a sum of positive squares in 2 ways, for example, as 685584 + 205209 = 828^2 + 453^2 .

It is not a de Polignac number, because 890793 - 22 = 890789 is a prime.

890793 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (890797) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1446 + ... + 1967.

It is an arithmetic number, because the mean of its divisors is an integer number (110955).

2890793 is an apocalyptic number.

It is an amenable number.

890793 is a deficient number, since it is larger than the sum of its proper divisors (440667).

890793 is a wasteful number, since it uses less digits than its factorization.

890793 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3448 (or 3445 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 36.

The square root of 890793 is about 943.8183087862. The cubic root of 890793 is about 96.2185774753.

Adding to 890793 its product of nonzero digits (13608), we get a square (904401 = 9512).

The spelling of 890793 in words is "eight hundred ninety thousand, seven hundred ninety-three".

Divisors: 1 3 9 29 87 261 3413 10239 30717 98977 296931 890793