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298808988 = 22361408209
BaseRepresentation
bin10001110011110…
…111011010011100
3202211021001212120
4101303313122130
51102443341423
645352302540
710255556142
oct2163673234
9684231776
10298808988
11143740685
12840a1a50
1349ba196a
142b983592
151b375ee3
hex11cf769c

298808988 has 24 divisors (see below), whose sum is σ = 708652560. Its totient is φ = 97969920.

The previous prime is 298808977. The next prime is 298809001. The reversal of 298808988 is 889808892.

It is a super-2 number, since 2×2988089882 = 178573622619168288, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 203373 + ... + 204836.

It is an arithmetic number, because the mean of its divisors is an integer number (29527190).

Almost surely, 2298808988 is an apocalyptic number.

It is an amenable number.

298808988 is an abundant number, since it is smaller than the sum of its proper divisors (409843572).

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

298808988 is a wasteful number, since it uses less digits than its factorization.

298808988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 408277 (or 408275 counting only the distinct ones).

The product of its (nonzero) digits is 5308416, while the sum is 60.

The square root of 298808988 is about 17286.0923288058. The cubic root of 298808988 is about 668.5458832845.

The spelling of 298808988 in words is "two hundred ninety-eight million, eight hundred eight thousand, nine hundred eighty-eight".

Divisors: 1 2 3 4 6 12 61 122 183 244 366 732 408209 816418 1224627 1632836 2449254 4898508 24900749 49801498 74702247 99602996 149404494 298808988