Base | Representation |
---|---|
bin | 111001110000… |
… | …1110010000110 |
3 | 2002222122010020 |
4 | 1303201302012 |
5 | 30223104214 |
6 | 3001040010 |
7 | 515263161 |
oct | 163416206 |
9 | 62878106 |
10 | 30284934 |
11 | 16105579 |
12 | a186006 |
13 | 63748a4 |
14 | 4044ad8 |
15 | 29d34a9 |
hex | 1ce1c86 |
30284934 has 16 divisors (see below), whose sum is σ = 60706800. Its totient is φ = 10072160.
The previous prime is 30284927. The next prime is 30284953. The reversal of 30284934 is 43948203.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 30284895 and 30284904.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2709 + ... + 8240.
It is an arithmetic number, because the mean of its divisors is an integer number (3794175).
Almost surely, 230284934 is an apocalyptic number.
30284934 is an abundant number, since it is smaller than the sum of its proper divisors (30421866).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30284934 is a wasteful number, since it uses less digits than its factorization.
30284934 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11415.
The product of its (nonzero) digits is 20736, while the sum is 33.
The square root of 30284934 is about 5503.1749018180. The cubic root of 30284934 is about 311.7038816012.
The spelling of 30284934 in words is "thirty million, two hundred eighty-four thousand, nine hundred thirty-four".
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