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809194283 = 27713672137
BaseRepresentation
bin110000001110110…
…101001100101011
32002101122022212122
4300032311030223
53124123204113
6212143501455
726024016002
oct6016651453
92071568778
10809194283
11385850707
121a6bb788b
13cb851ab1
147967dc39
154b091408
hex303b532b

809194283 has 8 divisors (see below), whose sum is σ = 813089952. Its totient is φ = 805306176.

The previous prime is 809194261. The next prime is 809194291. The reversal of 809194283 is 382491908.

It is a happy number.

809194283 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-809194283 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (809194223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 377591 + ... + 379727.

It is an arithmetic number, because the mean of its divisors is an integer number (101636244).

Almost surely, 2809194283 is an apocalyptic number.

809194283 is a deficient number, since it is larger than the sum of its proper divisors (3895669).

809194283 is a wasteful number, since it uses less digits than its factorization.

809194283 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3781.

The product of its (nonzero) digits is 124416, while the sum is 44.

The square root of 809194283 is about 28446.3404148934. The cubic root of 809194283 is about 931.8605689940.

The spelling of 809194283 in words is "eight hundred nine million, one hundred ninety-four thousand, two hundred eighty-three".

Divisors: 1 277 1367 2137 378659 591949 2921279 809194283