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2130028 = 224391213
BaseRepresentation
bin1000001000000001101100
311000012211221
420020001230
51021130103
6113353124
724050665
oct10100154
94005757
102130028
11122535a
128687a4
13597694
143d636c
152c11bd
hex20806c

2130028 has 12 divisors (see below), whose sum is σ = 3739120. Its totient is φ = 1061712.

The previous prime is 2130013. The next prime is 2130031. The reversal of 2130028 is 8200312.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2129993 and 2130020.

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, 1150 + ... + 2362.

22130028 is an apocalyptic number.

It is an amenable number.

2130028 is a deficient number, since it is larger than the sum of its proper divisors (1609092).

2130028 is a wasteful number, since it uses less digits than its factorization.

2130028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1656 (or 1654 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 2130028 is about 1459.4615445431. The cubic root of 2130028 is about 128.6653989095.

The spelling of 2130028 in words is "two million, one hundred thirty thousand, twenty-eight".

Divisors: 1 2 4 439 878 1213 1756 2426 4852 532507 1065014 2130028