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2315254489 is a prime number
BaseRepresentation
bin1000100111111111…
…1111101011011001
312222100120010002021
42021333333223121
514220201120424
61021423534441
7111242224042
oct21177775331
95870503067
102315254489
11a8899aa69
1254745a421
132ab886592
1417d6bd8c9
15d83d64e4
hex89fffad9

2315254489 has 2 divisors, whose sum is σ = 2315254490. Its totient is φ = 2315254488.

The previous prime is 2315254453. The next prime is 2315254511. The reversal of 2315254489 is 9844525132.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1273062400 + 1042192089 = 35680^2 + 32283^2 .

It is a cyclic number.

It is not a de Polignac number, because 2315254489 - 29 = 2315253977 is a prime.

It is a super-2 number, since 2×23152544892 = 10720806697669302242, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2315254439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1157627244 + 1157627245.

It is an arithmetic number, because the mean of its divisors is an integer number (1157627245).

Almost surely, 22315254489 is an apocalyptic number.

It is an amenable number.

2315254489 is a deficient number, since it is larger than the sum of its proper divisors (1).

2315254489 is an equidigital number, since it uses as much as digits as its factorization.

2315254489 is an evil number, because the sum of its binary digits is even.

The product of its digits is 345600, while the sum is 43.

The square root of 2315254489 is about 48117.0914436856. The cubic root of 2315254489 is about 1322.9179573831.

The spelling of 2315254489 in words is "two billion, three hundred fifteen million, two hundred fifty-four thousand, four hundred eighty-nine".