Search a number
-
+
881988 = 223671097
BaseRepresentation
bin11010111010101000100
31122210212020
43113111010
5211210423
630523140
710332252
oct3272504
91583766
10881988
11552718
123664b0
1324b5b3
1418d5d2
151264e3
hexd7544

881988 has 24 divisors (see below), whose sum is σ = 2090592. Its totient is φ = 289344.

The previous prime is 881987. The next prime is 882017. The reversal of 881988 is 889188.

It is a happy number.

881988 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (881983) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 256 + ... + 1352.

It is an arithmetic number, because the mean of its divisors is an integer number (87108).

2881988 is an apocalyptic number.

It is an amenable number.

881988 is an abundant number, since it is smaller than the sum of its proper divisors (1208604).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

881988 is a wasteful number, since it uses less digits than its factorization.

881988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1171 (or 1169 counting only the distinct ones).

The product of its digits is 36864, while the sum is 42.

The square root of 881988 is about 939.1421617625. The cubic root of 881988 is about 95.9005045564.

The spelling of 881988 in words is "eight hundred eighty-one thousand, nine hundred eighty-eight".

Divisors: 1 2 3 4 6 12 67 134 201 268 402 804 1097 2194 3291 4388 6582 13164 73499 146998 220497 293996 440994 881988