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298242190 = 25237712547
BaseRepresentation
bin10001110001101…
…101000010001110
3202210012021101001
4101301231002032
51102322222230
645332210514
710251005521
oct2161550216
9683167331
10298242190
11143393854
1283a69a3a
1349a3398c
142b876bb8
151b2b30ca
hex11c6d08e

298242190 has 16 divisors (see below), whose sum is σ = 537104592. Its totient is φ = 119237184.

The previous prime is 298242181. The next prime is 298242253. The reversal of 298242190 is 91242892.

It is a super-2 number, since 2×2982421902 = 177896807791992200, 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 (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17497 + ... + 30043.

It is an arithmetic number, because the mean of its divisors is an integer number (33569037).

Almost surely, 2298242190 is an apocalyptic number.

298242190 is a deficient number, since it is larger than the sum of its proper divisors (238862402).

298242190 is a wasteful number, since it uses less digits than its factorization.

298242190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14931.

The product of its (nonzero) digits is 20736, while the sum is 37.

The square root of 298242190 is about 17269.6899219413. The cubic root of 298242190 is about 668.1229036889.

The spelling of 298242190 in words is "two hundred ninety-eight million, two hundred forty-two thousand, one hundred ninety".

Divisors: 1 2 5 10 2377 4754 11885 12547 23770 25094 62735 125470 29824219 59648438 149121095 298242190