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813480338 = 21123361489
BaseRepresentation
bin110000011111001…
…011100110010010
32002200201002020102
4300133023212102
53131222332323
6212415412402
726105316536
oct6037134622
92080632212
10813480338
11388208900
121a8524102
13cc6c2918
147a077bc6
154b63b328
hex307cb992

813480338 has 12 divisors (see below), whose sum is σ = 1341234510. Its totient is φ = 369763680.

The previous prime is 813480329. The next prime is 813480341. The reversal of 813480338 is 833084318.

It is a happy number.

813480338 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., 424483609 + 388996729 = 20603^2 + 19723^2 .

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1680503 + ... + 1680986.

Almost surely, 2813480338 is an apocalyptic number.

813480338 is a deficient number, since it is larger than the sum of its proper divisors (527754172).

813480338 is a wasteful number, since it uses less digits than its factorization.

813480338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3361513 (or 3361502 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 38.

The square root of 813480338 is about 28521.5767095720. The cubic root of 813480338 is about 933.5029329834.

The spelling of 813480338 in words is "eight hundred thirteen million, four hundred eighty thousand, three hundred thirty-eight".

Divisors: 1 2 11 22 121 242 3361489 6722978 36976379 73952758 406740169 813480338