Base | Representation |
---|---|
bin | 110001100101000… |
… | …110111010000001 |
3 | 2010222012101110021 |
4 | 301211012322001 |
5 | 3200420424301 |
6 | 214312333441 |
7 | 26420164354 |
oct | 6145067201 |
9 | 2128171407 |
10 | 831811201 |
11 | 397599081 |
12 | 1b26a4281 |
13 | 1034403a0 |
14 | 7c68a29b |
15 | 4d05c8a1 |
hex | 31946e81 |
831811201 has 8 divisors (see below), whose sum is σ = 896313600. Its totient is φ = 767382672.
The previous prime is 831811199. The next prime is 831811213. The reversal of 831811201 is 102118138.
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 831811201 - 21 = 831811199 is a prime.
It is not an unprimeable number, because it can be changed into a prime (831811271) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6150 + ... + 41248.
It is an arithmetic number, because the mean of its divisors is an integer number (112039200).
Almost surely, 2831811201 is an apocalyptic number.
It is an amenable number.
831811201 is a deficient number, since it is larger than the sum of its proper divisors (64502399).
831811201 is a wasteful number, since it uses less digits than its factorization.
831811201 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 36935.
The product of its (nonzero) digits is 384, while the sum is 25.
The square root of 831811201 is about 28841.1373042049. The cubic root of 831811201 is about 940.4627271362.
Adding to 831811201 its reverse (102118138), we get a palindrome (933929339).
The spelling of 831811201 in words is "eight hundred thirty-one million, eight hundred eleven thousand, two hundred one".
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