Search a number
-
+
881992 = 23412689
BaseRepresentation
bin11010111010101001000
31122210212101
43113111020
5211210432
630523144
710332256
oct3272510
91583771
10881992
11552721
123664b4
1324b5b7
1418d5d6
151264e7
hexd7548

881992 has 16 divisors (see below), whose sum is σ = 1694700. Its totient is φ = 430080.

The previous prime is 881987. The next prime is 882017. The reversal of 881992 is 299188.

881992 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 617796 + 264196 = 786^2 + 514^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1017 + ... + 1672.

2881992 is an apocalyptic number.

881992 is a gapful number since it is divisible by the number (82) formed by its first and last digit.

It is an amenable number.

881992 is a deficient number, since it is larger than the sum of its proper divisors (812708).

881992 is a wasteful number, since it uses less digits than its factorization.

881992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2736 (or 2732 counting only the distinct ones).

The product of its digits is 10368, while the sum is 37.

The square root of 881992 is about 939.1442913632. The cubic root of 881992 is about 95.9006495324.

It can be divided in two parts, 8819 and 92, that added together give a triangular number (8911 = T133).

The spelling of 881992 in words is "eight hundred eighty-one thousand, nine hundred ninety-two".

Divisors: 1 2 4 8 41 82 164 328 2689 5378 10756 21512 110249 220498 440996 881992