Search a number
-
+
800555057 is a prime number
BaseRepresentation
bin101111101101111…
…000000000110001
32001210101102002022
4233231320000301
53114420230212
6211234401225
725560414521
oct5755700061
92053342068
10800555057
1138098a955
121a4130215
13c9b18723
1478471681
154a436772
hex2fb78031

800555057 has 2 divisors, whose sum is σ = 800555058. Its totient is φ = 800555056.

The previous prime is 800555047. The next prime is 800555099. The reversal of 800555057 is 750555008.

800555057 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 786746401 + 13808656 = 28049^2 + 3716^2 .

It is a cyclic number.

It is not a de Polignac number, because 800555057 - 28 = 800554801 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (800555027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 400277528 + 400277529.

It is an arithmetic number, because the mean of its divisors is an integer number (400277529).

Almost surely, 2800555057 is an apocalyptic number.

It is an amenable number.

800555057 is a deficient number, since it is larger than the sum of its proper divisors (1).

800555057 is an equidigital number, since it uses as much as digits as its factorization.

800555057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 35000, while the sum is 35.

The square root of 800555057 is about 28294.0816603049. The cubic root of 800555057 is about 928.5324126193.

The spelling of 800555057 in words is "eight hundred million, five hundred fifty-five thousand, fifty-seven".