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861468 = 22371789
BaseRepresentation
bin11010010010100011100
31121202201020
43102110130
5210031333
630244140
710215366
oct3222434
91552636
10861468
11539263
12356650
1324215a
14185d36
151203b3
hexd251c

861468 has 12 divisors (see below), whose sum is σ = 2010120. Its totient is φ = 287152.

The previous prime is 861439. The next prime is 861491. The reversal of 861468 is 864168.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 861468.

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, 35883 + ... + 35906.

It is an arithmetic number, because the mean of its divisors is an integer number (167510).

2861468 is an apocalyptic number.

It is an amenable number.

861468 is an abundant number, since it is smaller than the sum of its proper divisors (1148652).

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

861468 is a wasteful number, since it uses less digits than its factorization.

861468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71796 (or 71794 counting only the distinct ones).

The product of its digits is 9216, while the sum is 33.

The square root of 861468 is about 928.1530046280. The cubic root of 861468 is about 95.1509327447.

The spelling of 861468 in words is "eight hundred sixty-one thousand, four hundred sixty-eight".

Divisors: 1 2 3 4 6 12 71789 143578 215367 287156 430734 861468