Search a number
-
+
8928479249 is a prime number
BaseRepresentation
bin10000101000010110…
…11100100000010001
3212001020111201222122
420110023130200101
5121241142313444
64033544144025
7434153551514
oct102413344021
925036451878
108928479249
113871991678
121892168015
13ac39cb521
14609b18d7b
15373ca04ee
hex2142dc811

8928479249 has 2 divisors, whose sum is σ = 8928479250. Its totient is φ = 8928479248.

The previous prime is 8928479207. The next prime is 8928479299. The reversal of 8928479249 is 9429748298.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6944222224 + 1984257025 = 83332^2 + 44545^2 .

It is a cyclic number.

It is not a de Polignac number, because 8928479249 - 228 = 8660043793 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 8928479191 and 8928479200.

It is not a weakly prime, because it can be changed into another prime (8928479299) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4464239624 + 4464239625.

It is an arithmetic number, because the mean of its divisors is an integer number (4464239625).

Almost surely, 28928479249 is an apocalyptic number.

It is an amenable number.

8928479249 is a deficient number, since it is larger than the sum of its proper divisors (1).

8928479249 is an equidigital number, since it uses as much as digits as its factorization.

8928479249 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20901888, while the sum is 62.

The square root of 8928479249 is about 94490.6304826039. The cubic root of 8928479249 is about 2074.5591940393.

The spelling of 8928479249 in words is "eight billion, nine hundred twenty-eight million, four hundred seventy-nine thousand, two hundred forty-nine".