Base | Representation |
---|---|
bin | 110000000110010… |
… | …001001100001010 |
3 | 2002020102021210210 |
4 | 300012101030022 |
5 | 3123034342032 |
6 | 212023421550 |
7 | 25665646602 |
oct | 6006211412 |
9 | 2066367723 |
10 | 806949642 |
11 | 384558234 |
12 | 1a62b48b6 |
13 | cb2471c5 |
14 | 79257c02 |
15 | 4ac9b2cc |
hex | 3019130a |
806949642 has 32 divisors (see below), whose sum is σ = 1710424512. Its totient is φ = 252925184.
The previous prime is 806949631. The next prime is 806949673. The reversal of 806949642 is 246949608.
It is a junction number, because it is equal to n+sod(n) for n = 806949591 and 806949600.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 130288 + ... + 136340.
It is an arithmetic number, because the mean of its divisors is an integer number (53450766).
Almost surely, 2806949642 is an apocalyptic number.
806949642 is an abundant number, since it is smaller than the sum of its proper divisors (903474870).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
806949642 is a wasteful number, since it uses less digits than its factorization.
806949642 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7382.
The product of its (nonzero) digits is 746496, while the sum is 48.
The square root of 806949642 is about 28406.8590660777. The cubic root of 806949642 is about 930.9981351992.
The spelling of 806949642 in words is "eight hundred six million, nine hundred forty-nine thousand, six hundred forty-two".
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