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812055283 = 1382775533
BaseRepresentation
bin110000011001101…
…111101011110011
32002121000200102121
4300121233223303
53130341232113
6212325055111
726060233054
oct6031575363
92077020377
10812055283
11387425176
121a7b57497
13cc3140b0
1479bc672b
154b458e8d
hex3066faf3

812055283 has 8 divisors (see below), whose sum is σ = 875590128. Its totient is φ = 748673184.

The previous prime is 812055281. The next prime is 812055287. The reversal of 812055283 is 382550218.

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

It is a cyclic number.

It is not a de Polignac number, because 812055283 - 21 = 812055281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (812055281) 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, 27016 + ... + 48517.

It is an arithmetic number, because the mean of its divisors is an integer number (109448766).

Almost surely, 2812055283 is an apocalyptic number.

812055283 is a deficient number, since it is larger than the sum of its proper divisors (63534845).

812055283 is a wasteful number, since it uses less digits than its factorization.

812055283 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76373.

The product of its (nonzero) digits is 19200, while the sum is 34.

The square root of 812055283 is about 28496.5837075254. The cubic root of 812055283 is about 932.9575108347.

The spelling of 812055283 in words is "eight hundred twelve million, fifty-five thousand, two hundred eighty-three".

Divisors: 1 13 827 10751 75533 981929 62465791 812055283