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879428 = 221122379
BaseRepresentation
bin11010110101101000100
31122200100102
43112231010
5211120203
630503232
710321634
oct3265504
91580312
10879428
11550800
12364b18
1324a394
1418c6c4
15125888
hexd6b44

879428 has 36 divisors (see below), whose sum is σ = 1787520. Its totient is φ = 377520.

The previous prime is 879413. The next prime is 879449. The reversal of 879428 is 824978.

879428 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an Ulam number.

Its product of digits (32256) is a multiple of the sum of its prime factors (128).

It is a plaindrome in base 15.

It is a junction number, because it is equal to n+sod(n) for n = 879391 and 879400.

It is an unprimeable number.

879428 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 in 11 ways as a sum of consecutive naturals, for example, 11093 + ... + 11171.

2879428 is an apocalyptic number.

It is an amenable number.

879428 is an abundant number, since it is smaller than the sum of its proper divisors (908092).

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

879428 is a wasteful number, since it uses less digits than its factorization.

879428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128 (or 115 counting only the distinct ones).

The product of its digits is 32256, while the sum is 38.

The square root of 879428 is about 937.7782253817. The cubic root of 879428 is about 95.8076298216.

The spelling of 879428 in words is "eight hundred seventy-nine thousand, four hundred twenty-eight".

Divisors: 1 2 4 11 22 23 44 46 79 92 121 158 242 253 316 484 506 869 1012 1738 1817 2783 3476 3634 5566 7268 9559 11132 19118 19987 38236 39974 79948 219857 439714 879428