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298420129 = 743991429
BaseRepresentation
bin10001110010011…
…000011110100001
3202210112022110101
4101302120132201
51102343421004
645340102401
710252346350
oct2162303641
9683468411
10298420129
111434a5507
1283b34a01
1349a96977
142b8c1997
151b2eaba4
hex11c987a1

298420129 has 8 divisors (see below), whose sum is σ = 348983360. Its totient is φ = 249839856.

The previous prime is 298420081. The next prime is 298420141. The reversal of 298420129 is 921024892.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 298420129 - 29 = 298419617 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (298421129) by changing a digit.

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, 495414 + ... + 496015.

It is an arithmetic number, because the mean of its divisors is an integer number (43622920).

Almost surely, 2298420129 is an apocalyptic number.

It is an amenable number.

298420129 is a deficient number, since it is larger than the sum of its proper divisors (50563231).

298420129 is an equidigital number, since it uses as much as digits as its factorization.

298420129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 991479.

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

The square root of 298420129 is about 17274.8409254615. The cubic root of 298420129 is about 668.2557504042.

The spelling of 298420129 in words is "two hundred ninety-eight million, four hundred twenty thousand, one hundred twenty-nine".

Divisors: 1 7 43 301 991429 6940003 42631447 298420129