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298028988 = 22328278583
BaseRepresentation
bin10001110000111…
…000111110111100
3202202210102220200
4101300320332330
51102243411423
645323443500
710246130115
oct2160707674
9682712820
10298028988
11143258654
1283986590
134998a91a
142b81d20c
151b26ed43
hex11c38fbc

298028988 has 18 divisors (see below), whose sum is σ = 753351144. Its totient is φ = 99342984.

The previous prime is 298028987. The next prime is 298028993. The reversal of 298028988 is 889820892.

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (298028987) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4139256 + ... + 4139327.

Almost surely, 2298028988 is an apocalyptic number.

It is an amenable number.

298028988 is an abundant number, since it is smaller than the sum of its proper divisors (455322156).

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

298028988 is a wasteful number, since it uses less digits than its factorization.

298028988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8278593 (or 8278588 counting only the distinct ones).

The product of its (nonzero) digits is 1327104, while the sum is 54.

The square root of 298028988 is about 17263.5160960912. The cubic root of 298028988 is about 667.9636605185.

The spelling of 298028988 in words is "two hundred ninety-eight million, twenty-eight thousand, nine hundred eighty-eight".

Divisors: 1 2 3 4 6 9 12 18 36 8278583 16557166 24835749 33114332 49671498 74507247 99342996 149014494 298028988