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809462068 = 22202365517
BaseRepresentation
bin110000001111110…
…110100100110100
32002102010221012121
4300033312210310
53124210241233
6212153325324
726026212502
oct6017664464
92072127177
10809462068
11385a13918
121a7106844
13cb91694c
147970d672
154b0e592d
hex303f6934

809462068 has 6 divisors (see below), whose sum is σ = 1416558626. Its totient is φ = 404731032.

The previous prime is 809462051. The next prime is 809462077. The reversal of 809462068 is 860264908.

It is a happy number.

809462068 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 469502224 + 339959844 = 21668^2 + 18438^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101182755 + ... + 101182762.

Almost surely, 2809462068 is an apocalyptic number.

It is an amenable number.

809462068 is a deficient number, since it is larger than the sum of its proper divisors (607096558).

809462068 is a wasteful number, since it uses less digits than its factorization.

809462068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202365521 (or 202365519 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 43.

The square root of 809462068 is about 28451.0468700187. The cubic root of 809462068 is about 931.9633505577.

The spelling of 809462068 in words is "eight hundred nine million, four hundred sixty-two thousand, sixty-eight".

Divisors: 1 2 4 202365517 404731034 809462068