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298471249 = 535631533
BaseRepresentation
bin10001110010100…
…100111101010001
3202210121220120201
4101302210331101
51102402034444
645341135201
710252651366
oct2162447521
9683556521
10298471249
1114352a95a
1283b5a501
1349ab400b
142b8d646d
151b30add4
hex11ca4f51

298471249 has 4 divisors (see below), whose sum is σ = 304102836. Its totient is φ = 292839664.

The previous prime is 298471181. The next prime is 298471259. The reversal of 298471249 is 942174892.

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 130302225 + 168169024 = 11415^2 + 12968^2 .

It is a cyclic number.

It is not a de Polignac number, because 298471249 - 29 = 298470737 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 298471199 and 298471208.

It is not an unprimeable number, because it can be changed into a prime (298471259) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2815714 + ... + 2815819.

It is an arithmetic number, because the mean of its divisors is an integer number (76025709).

Almost surely, 2298471249 is an apocalyptic number.

It is an amenable number.

298471249 is a deficient number, since it is larger than the sum of its proper divisors (5631587).

298471249 is an equidigital number, since it uses as much as digits as its factorization.

298471249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5631586.

The product of its digits is 290304, while the sum is 46.

The square root of 298471249 is about 17276.3204705169. The cubic root of 298471249 is about 668.2939061006.

The spelling of 298471249 in words is "two hundred ninety-eight million, four hundred seventy-one thousand, two hundred forty-nine".

Divisors: 1 53 5631533 298471249