Base | Representation |
---|---|
bin | 111010101100… |
… | …1011110101010 |
3 | 2010220112122121 |
4 | 1311121132222 |
5 | 30334301320 |
6 | 3015341454 |
7 | 522404434 |
oct | 165313652 |
9 | 63815577 |
10 | 30775210 |
11 | 1640a964 |
12 | a38188a |
13 | 64b6aab |
14 | 4131654 |
15 | 2a7d8aa |
hex | 1d597aa |
30775210 has 16 divisors (see below), whose sum is σ = 55528416. Its totient is φ = 12280528.
The previous prime is 30775189. The next prime is 30775243. The reversal of 30775210 is 1257703.
It is a super-2 number, since 2×307752102 = 1894227101088200, which contains 22 as substring.
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, 957 + ... + 7903.
It is an arithmetic number, because the mean of its divisors is an integer number (3470526).
Almost surely, 230775210 is an apocalyptic number.
30775210 is a deficient number, since it is larger than the sum of its proper divisors (24753206).
30775210 is a wasteful number, since it uses less digits than its factorization.
30775210 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7397.
The product of its (nonzero) digits is 1470, while the sum is 25.
The square root of 30775210 is about 5547.5408966496. The cubic root of 30775210 is about 313.3769203989.
The spelling of 30775210 in words is "thirty million, seven hundred seventy-five thousand, two hundred ten".
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