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298798489 = 1122469409
BaseRepresentation
bin10001110011110…
…100110110011001
3202211020112110201
4101303310312121
51102443022424
645352142201
710255513423
oct2163646631
9684215421
10298798489
11143733800
1284097961
1349b99c52
142b97d813
151b372d44
hex11cf4d99

298798489 has 6 divisors (see below), whose sum is σ = 328431530. Its totient is φ = 271634880.

The previous prime is 298798469. The next prime is 298798519. The reversal of 298798489 is 984897892.

It can be written as a sum of positive squares in only one way, i.e., 291828889 + 6969600 = 17083^2 + 2640^2 .

It is not a de Polignac number, because 298798489 - 25 = 298798457 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 298798489.

It is not an unprimeable number, because it can be changed into a prime (298798469) 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, 1234584 + ... + 1234825.

Almost surely, 2298798489 is an apocalyptic number.

It is an amenable number.

298798489 is a deficient number, since it is larger than the sum of its proper divisors (29633041).

298798489 is a wasteful number, since it uses less digits than its factorization.

298798489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2469431 (or 2469420 counting only the distinct ones).

The product of its digits is 20901888, while the sum is 64.

The square root of 298798489 is about 17285.7886426972. The cubic root of 298798489 is about 668.5380531481.

The spelling of 298798489 in words is "two hundred ninety-eight million, seven hundred ninety-eight thousand, four hundred eighty-nine".

Divisors: 1 11 121 2469409 27163499 298798489