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889972 = 22222493
BaseRepresentation
bin11011001010001110100
31200012210221
43121101310
5211434342
631024124
710364446
oct3312164
91605727
10889972
11558716
1236b044
13252115
14192496
15128a67
hexd9474

889972 has 6 divisors (see below), whose sum is σ = 1557458. Its totient is φ = 444984.

The previous prime is 889963. The next prime is 889997. The reversal of 889972 is 279988.

889972 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 only one way, i.e., 784996 + 104976 = 886^2 + 324^2 .

It is a congruent number.

It is an unprimeable number.

889972 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111243 + ... + 111250.

2889972 is an apocalyptic number.

It is an amenable number.

889972 is a deficient number, since it is larger than the sum of its proper divisors (667486).

889972 is a wasteful number, since it uses less digits than its factorization.

889972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222497 (or 222495 counting only the distinct ones).

The product of its digits is 72576, while the sum is 43.

The square root of 889972 is about 943.3832731186. The cubic root of 889972 is about 96.1890084159.

The spelling of 889972 in words is "eight hundred eighty-nine thousand, nine hundred seventy-two".

Divisors: 1 2 4 222493 444986 889972