Base | Representation |
---|---|
bin | 110000011100110… |
… | …010011101010010 |
3 | 2002122112012210102 |
4 | 300130302131102 |
5 | 3131042244244 |
6 | 212354132402 |
7 | 26100065015 |
oct | 6034623522 |
9 | 2078465712 |
10 | 812853074 |
11 | 38791a600 |
12 | 1a8281102 |
13 | cc533267 |
14 | 79d5337c |
15 | 4b56554e |
hex | 30732752 |
812853074 has 48 divisors (see below), whose sum is σ = 1436629824. Its totient is φ = 343775520.
The previous prime is 812853073. The next prime is 812853157. The reversal of 812853074 is 470358218.
It is a super-2 number, since 2×8128530742 = 1321460239822498952, which contains 22 as substring.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (812853073) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 203969 + ... + 207915.
It is an arithmetic number, because the mean of its divisors is an integer number (29929788).
Almost surely, 2812853074 is an apocalyptic number.
812853074 is a deficient number, since it is larger than the sum of its proper divisors (623776750).
812853074 is a wasteful number, since it uses less digits than its factorization.
812853074 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4031 (or 4020 counting only the distinct ones).
The product of its (nonzero) digits is 53760, while the sum is 38.
The square root of 812853074 is about 28510.5782824551. The cubic root of 812853074 is about 933.2629340041.
The spelling of 812853074 in words is "eight hundred twelve million, eight hundred fifty-three thousand, seventy-four".
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