Search a number
-
+
8426057 = 10977681
BaseRepresentation
bin100000001001…
…001001001001
3120212002101012
4200021021021
54124113212
6500333305
7131422523
oct40111111
916762335
108426057
114835692
1229a4235
131990343
141194a13
15b16922
hex809249

8426057 has 4 divisors (see below), whose sum is σ = 8434836. Its totient is φ = 8417280.

The previous prime is 8426039. The next prime is 8426059. The reversal of 8426057 is 7506248.

8426057 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 4145296 + 4280761 = 2036^2 + 2069^2 .

It is a cyclic number.

It is not a de Polignac number, because 8426057 - 212 = 8421961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8426059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2744 + ... + 4937.

It is an arithmetic number, because the mean of its divisors is an integer number (2108709).

Almost surely, 28426057 is an apocalyptic number.

It is an amenable number.

8426057 is a deficient number, since it is larger than the sum of its proper divisors (8779).

8426057 is a wasteful number, since it uses less digits than its factorization.

8426057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8778.

The product of its (nonzero) digits is 13440, while the sum is 32.

The square root of 8426057 is about 2902.7671281038. The cubic root of 8426057 is about 203.4892467761.

The spelling of 8426057 in words is "eight million, four hundred twenty-six thousand, fifty-seven".

Divisors: 1 1097 7681 8426057