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2798949028 = 222330423359
BaseRepresentation
bin1010011011010100…
…1001001010100100
321020001201100020211
42212311021022210
521213012332103
61141423105204
7126234450151
oct24665111244
97201640224
102798949028
111206a2a917
12661442204
13357b4ca75
141c7a2d228
15115acd36d
hexa6d492a4

2798949028 has 12 divisors (see below), whose sum is σ = 5111124480. Its totient is φ = 1338627752.

The previous prime is 2798949001. The next prime is 2798949031. The reversal of 2798949028 is 8209498972.

It is a super-2 number, since 2×27989490282 = 15668231322684289568, which contains 22 as substring.

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, 15211588 + ... + 15211771.

It is an arithmetic number, because the mean of its divisors is an integer number (425927040).

Almost surely, 22798949028 is an apocalyptic number.

It is an amenable number.

2798949028 is a deficient number, since it is larger than the sum of its proper divisors (2312175452).

2798949028 is a wasteful number, since it uses less digits than its factorization.

2798949028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30423386 (or 30423384 counting only the distinct ones).

The product of its (nonzero) digits is 5225472, while the sum is 58.

The square root of 2798949028 is about 52905.0945372939. The cubic root of 2798949028 is about 1409.2833787818.

The spelling of 2798949028 in words is "two billion, seven hundred ninety-eight million, nine hundred forty-nine thousand, twenty-eight".

Divisors: 1 2 4 23 46 92 30423359 60846718 121693436 699737257 1399474514 2798949028