Base | Representation |
---|---|
bin | 110000000110000… |
… | …101010001100100 |
3 | 2002020022210212011 |
4 | 300012011101210 |
5 | 3123031311321 |
6 | 212022404004 |
7 | 25665354400 |
oct | 6006052144 |
9 | 2066283764 |
10 | 806900836 |
11 | 3845245a5 |
12 | 1a6290604 |
13 | cb22ac21 |
14 | 79244100 |
15 | 4ac8bae1 |
hex | 30185464 |
806900836 has 27 divisors (see below), whose sum is σ = 1643429529. Its totient is φ = 345644208.
The previous prime is 806900833. The next prime is 806900837. The reversal of 806900836 is 638009608.
The square root of 806900836 is 28406.
It is a perfect power (a square), and thus also a powerful number.
It can be written as a sum of positive squares in only one way, i.e., 800550436 + 6350400 = 28294^2 + 2520^2 .
It is not an unprimeable number, because it can be changed into a prime (806900833) by changing a digit.
It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 396670 + ... + 398698.
Almost surely, 2806900836 is an apocalyptic number.
806900836 is the 28406-th square number.
It is an amenable number.
806900836 is an abundant number, since it is smaller than the sum of its proper divisors (836528693).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
806900836 is an equidigital number, since it uses as much as digits as its factorization.
806900836 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4076 (or 2038 counting only the distinct ones).
The product of its (nonzero) digits is 62208, while the sum is 40.
The cubic root of 806900836 is about 930.9793652502.
The spelling of 806900836 in words is "eight hundred six million, nine hundred thousand, eight hundred thirty-six".
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