Search a number
-
+
8468820417 = 32822940139
BaseRepresentation
bin1111110001100011…
…11111000111000001
3210212012120122121110
413320301333013001
5114321004223132
63520204113533
7416602533351
oct77061770701
923765518543
108468820417
113656479142
1217842358a9
13a4c6cc355
145a4a64b61
153487551cc
hex1f8c7f1c1

8468820417 has 4 divisors (see below), whose sum is σ = 11291760560. Its totient is φ = 5645880276.

The previous prime is 8468820401. The next prime is 8468820421. The reversal of 8468820417 is 7140288648.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 8468820417 - 24 = 8468820401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8468820457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1411470067 + ... + 1411470072.

It is an arithmetic number, because the mean of its divisors is an integer number (2822940140).

Almost surely, 28468820417 is an apocalyptic number.

It is an amenable number.

8468820417 is a deficient number, since it is larger than the sum of its proper divisors (2822940143).

8468820417 is a wasteful number, since it uses less digits than its factorization.

8468820417 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2822940142.

The product of its (nonzero) digits is 688128, while the sum is 48.

The square root of 8468820417 is about 92026.1941894806. The cubic root of 8468820417 is about 2038.3291150441.

The spelling of 8468820417 in words is "eight billion, four hundred sixty-eight million, eight hundred twenty thousand, four hundred seventeen".

Divisors: 1 3 2822940139 8468820417