Base | Representation |
---|---|
bin | 111001111111… |
… | …1011111100110 |
3 | 2010012211001111 |
4 | 1303333133212 |
5 | 30241003010 |
6 | 3003415234 |
7 | 516311032 |
oct | 163773746 |
9 | 63184044 |
10 | 30406630 |
11 | 16188a51 |
12 | a22451a |
13 | 63b80b7 |
14 | 40771c2 |
15 | 2a0958a |
hex | 1cff7e6 |
30406630 has 32 divisors (see below), whose sum is σ = 56407104. Its totient is φ = 11796096.
The previous prime is 30406613. The next prime is 30406643. The reversal of 30406630 is 3660403.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54312 + ... + 54868.
It is an arithmetic number, because the mean of its divisors is an integer number (1762722).
Almost surely, 230406630 is an apocalyptic number.
30406630 is a deficient number, since it is larger than the sum of its proper divisors (26000474).
30406630 is a wasteful number, since it uses less digits than its factorization.
30406630 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 720.
The product of its (nonzero) digits is 1296, while the sum is 22.
The square root of 30406630 is about 5514.2207065006. The cubic root of 30406630 is about 312.1208372066.
The spelling of 30406630 in words is "thirty million, four hundred six thousand, six hundred thirty".
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