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2398247489 = 11892449691
BaseRepresentation
bin1000111011110010…
…0101101001000001
320012010201121002002
42032330211221001
514402422404424
61033550433345
7113300524121
oct21674455101
96163647062
102398247489
111020825920
1256b202855
132c2b24071
1418a724c81
15e082bcae
hex8ef25a41

2398247489 has 8 divisors (see below), whose sum is σ = 2645667360. Its totient is φ = 2155727200.

The previous prime is 2398247459. The next prime is 2398247503. The reversal of 2398247489 is 9847428932.

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

It is a de Polignac number, because none of the positive numbers 2k-2398247489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2398247419) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1223867 + ... + 1225824.

It is an arithmetic number, because the mean of its divisors is an integer number (330708420).

Almost surely, 22398247489 is an apocalyptic number.

It is an amenable number.

2398247489 is a deficient number, since it is larger than the sum of its proper divisors (247419871).

2398247489 is a wasteful number, since it uses less digits than its factorization.

2398247489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2449791.

The product of its digits is 6967296, while the sum is 56.

The square root of 2398247489 is about 48971.9050987400. The cubic root of 2398247489 is about 1338.5399350855.

The spelling of 2398247489 in words is "two billion, three hundred ninety-eight million, two hundred forty-seven thousand, four hundred eighty-nine".

Divisors: 1 11 89 979 2449691 26946601 218022499 2398247489