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2090028 = 223174169
BaseRepresentation
bin111111110010000101100
310221011222110
413332100230
51013340103
6112444020
723523243
oct7762054
93834873
102090028
1111a82a6
12849610
13582405
143c595a
152b4403
hex1fe42c

2090028 has 12 divisors (see below), whose sum is σ = 4876760. Its totient is φ = 696672.

The previous prime is 2090021. The next prime is 2090041. The reversal of 2090028 is 8200902.

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

It is a junction number, because it is equal to n+sod(n) for n = 2089986 and 2090013.

It is not an unprimeable number, because it can be changed into a prime (2090021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 87073 + ... + 87096.

22090028 is an apocalyptic number.

It is an amenable number.

2090028 is an abundant number, since it is smaller than the sum of its proper divisors (2786732).

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

2090028 is a wasteful number, since it uses less digits than its factorization.

2090028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174176 (or 174174 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 2090028 is about 1445.6929134502. The cubic root of 2090028 is about 127.8548974208.

The spelling of 2090028 in words is "two million, ninety thousand, twenty-eight".

Divisors: 1 2 3 4 6 12 174169 348338 522507 696676 1045014 2090028