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874428 = 22372869
BaseRepresentation
bin11010101011110111100
31122102111020
43111132330
5210440203
630424140
710301232
oct3253674
91572436
10874428
11547a75
12362050
13248019
1418a952
15124153
hexd57bc

874428 has 12 divisors (see below), whose sum is σ = 2040360. Its totient is φ = 291472.

The previous prime is 874427. The next prime is 874457. The reversal of 874428 is 824478.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (874427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36423 + ... + 36446.

It is an arithmetic number, because the mean of its divisors is an integer number (170030).

2874428 is an apocalyptic number.

It is an amenable number.

874428 is an abundant number, since it is smaller than the sum of its proper divisors (1165932).

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

874428 is a wasteful number, since it uses less digits than its factorization.

874428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72876 (or 72874 counting only the distinct ones).

The product of its digits is 14336, while the sum is 33.

The square root of 874428 is about 935.1085498486. The cubic root of 874428 is about 95.6257127547.

The spelling of 874428 in words is "eight hundred seventy-four thousand, four hundred twenty-eight".

Divisors: 1 2 3 4 6 12 72869 145738 218607 291476 437214 874428