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298845493 = 2910305017
BaseRepresentation
bin10001110100000…
…000010100110101
3202211022220221121
4101310000110311
51103001023433
645353143541
710256100442
oct2164002465
9684286847
10298845493
11143766051
12840babb1
1349bb546b
142b9929c9
151b381c2d
hex11d00535

298845493 has 4 divisors (see below), whose sum is σ = 309150540. Its totient is φ = 288540448.

The previous prime is 298845479. The next prime is 298845497. The reversal of 298845493 is 394548892.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 236482884 + 62362609 = 15378^2 + 7897^2 .

It is a cyclic number.

It is not a de Polignac number, because 298845493 - 29 = 298844981 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 298845493.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (298845497) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5152480 + ... + 5152537.

It is an arithmetic number, because the mean of its divisors is an integer number (77287635).

Almost surely, 2298845493 is an apocalyptic number.

It is an amenable number.

298845493 is a deficient number, since it is larger than the sum of its proper divisors (10305047).

298845493 is a wasteful number, since it uses less digits than its factorization.

298845493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10305046.

The product of its digits is 2488320, while the sum is 52.

The square root of 298845493 is about 17287.1482032173. The cubic root of 298845493 is about 668.5731072243.

The spelling of 298845493 in words is "two hundred ninety-eight million, eight hundred forty-five thousand, four hundred ninety-three".

Divisors: 1 29 10305017 298845493