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2828000120 = 235116427273
BaseRepresentation
bin1010100010001111…
…1101101101111000
321022002101021212012
42220203331231320
521242432000440
61144341505052
7130036414211
oct25043755570
97262337765
102828000120
111221372390
1266b112188
13360b81b6a
141cb832408
1511841ae65
hexa88fdb78

2828000120 has 32 divisors (see below), whose sum is σ = 6941455920. Its totient is φ = 1028363520.

The previous prime is 2828000111. The next prime is 2828000143. The reversal of 2828000120 is 210008282.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3213197 + ... + 3214076.

Almost surely, 22828000120 is an apocalyptic number.

2828000120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2828000120 is an abundant number, since it is smaller than the sum of its proper divisors (4113455800).

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

2828000120 is a wasteful number, since it uses less digits than its factorization.

2828000120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6427295 (or 6427291 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 23.

The square root of 2828000120 is about 53178.9443294994. The cubic root of 2828000120 is about 1414.1423913337.

The spelling of 2828000120 in words is "two billion, eight hundred twenty-eight million, one hundred twenty", and thus it is an aban number.

Divisors: 1 2 4 5 8 10 11 20 22 40 44 55 88 110 220 440 6427273 12854546 25709092 32136365 51418184 64272730 70700003 128545460 141400006 257090920 282800012 353500015 565600024 707000030 1414000060 2828000120