Base | Representation |
---|---|
bin | 111010101101… |
… | …0001000010001 |
3 | 2010220200022020 |
4 | 1311122020101 |
5 | 30334342443 |
6 | 3015402053 |
7 | 522415260 |
oct | 165321021 |
9 | 63820266 |
10 | 30777873 |
11 | 16411965 |
12 | a383329 |
13 | 64b8079 |
14 | 41325d7 |
15 | 2a7e583 |
hex | 1d5a211 |
30777873 has 16 divisors (see below), whose sum is σ = 47049600. Its totient is φ = 17531136.
The previous prime is 30777863. The next prime is 30777889. The reversal of 30777873 is 37877703.
It is not a de Polignac number, because 30777873 - 210 = 30776849 is a prime.
It is not an unprimeable number, because it can be changed into a prime (30777833) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4903 + ... + 9251.
It is an arithmetic number, because the mean of its divisors is an integer number (2940600).
Almost surely, 230777873 is an apocalyptic number.
It is an amenable number.
30777873 is a deficient number, since it is larger than the sum of its proper divisors (16271727).
30777873 is a wasteful number, since it uses less digits than its factorization.
30777873 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4696.
The product of its (nonzero) digits is 172872, while the sum is 42.
The square root of 30777873 is about 5547.7809077144. The cubic root of 30777873 is about 313.3859590447.
The spelling of 30777873 in words is "thirty million, seven hundred seventy-seven thousand, eight hundred seventy-three".
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