Search a number
-
+
2854399979 is a prime number
BaseRepresentation
bin1010101000100010…
…1010111111101011
321100221001112122202
42222020222333223
521321211244404
61151123410415
7130506666554
oct25210527753
97327045582
102854399979
111235263a52
12677b23a0b
13366496292
141d114532b
1511a8d321e
hexaa22afeb

2854399979 has 2 divisors, whose sum is σ = 2854399980. Its totient is φ = 2854399978.

The previous prime is 2854399973. The next prime is 2854399991. The reversal of 2854399979 is 9799934582.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2854399979 - 228 = 2585964523 is a prime.

It is not a weakly prime, because it can be changed into another prime (2854399973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1427199989 + 1427199990.

It is an arithmetic number, because the mean of its divisors is an integer number (1427199990).

Almost surely, 22854399979 is an apocalyptic number.

2854399979 is a deficient number, since it is larger than the sum of its proper divisors (1).

2854399979 is an equidigital number, since it uses as much as digits as its factorization.

2854399979 is an evil number, because the sum of its binary digits is even.

The product of its digits is 44089920, while the sum is 65.

The square root of 2854399979 is about 53426.5849460734. The cubic root of 2854399979 is about 1418.5291884184.

The spelling of 2854399979 in words is "two billion, eight hundred fifty-four million, three hundred ninety-nine thousand, nine hundred seventy-nine".