Search a number
-
+
800630407 is a prime number
BaseRepresentation
bin101111101110001…
…010011010000111
32001210112020110001
4233232022122013
53114430133112
6211240142131
725561150303
oct5756123207
92053466401
10800630407
11380a31525
121a4167947
13c9b43b05
1478490d03
154a44dc57
hex2fb8a687

800630407 has 2 divisors, whose sum is σ = 800630408. Its totient is φ = 800630406.

The previous prime is 800630399. The next prime is 800630431. The reversal of 800630407 is 704036008.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 800630407 - 23 = 800630399 is a prime.

It is a super-2 number, since 2×8006304072 = 1282018097225971298, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (800630107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 400315203 + 400315204.

It is an arithmetic number, because the mean of its divisors is an integer number (400315204).

Almost surely, 2800630407 is an apocalyptic number.

800630407 is a deficient number, since it is larger than the sum of its proper divisors (1).

800630407 is an equidigital number, since it uses as much as digits as its factorization.

800630407 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 800630407 is about 28295.4131795243. The cubic root of 800630407 is about 928.5615435420.

The spelling of 800630407 in words is "eight hundred million, six hundred thirty thousand, four hundred seven".