Base | Representation |
---|---|
bin | 111011000110… |
… | …0010100001010 |
3 | 2011022010021121 |
4 | 1312030110022 |
5 | 30412432214 |
6 | 3024025454 |
7 | 524232466 |
oct | 166142412 |
9 | 64263247 |
10 | 30983434 |
11 | 16542349 |
12 | a46228a |
13 | 655a7c1 |
14 | 41874a6 |
15 | 2ac0424 |
hex | 1d8c50a |
30983434 has 12 divisors (see below), whose sum is σ = 47491794. Its totient is φ = 15159944.
The previous prime is 30983423. The next prime is 30983441. The reversal of 30983434 is 43438903.
It can be written as a sum of positive squares in only one way, i.e., 21650409 + 9333025 = 4653^2 + 3055^2 .
It is an alternating number because its digits alternate between odd and even.
It is a self number, because there is not a number n which added to its sum of digits gives 30983434.
It is an unprimeable number.
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 5 ways as a sum of consecutive naturals, for example, 912 + ... + 7924.
Almost surely, 230983434 is an apocalyptic number.
30983434 is a deficient number, since it is larger than the sum of its proper divisors (16508360).
30983434 is an equidigital number, since it uses as much as digits as its factorization.
30983434 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7109 (or 7062 counting only the distinct ones).
The product of its (nonzero) digits is 31104, while the sum is 34.
The square root of 30983434 is about 5566.2764933122. The cubic root of 30983434 is about 314.0820981590.
The spelling of 30983434 in words is "thirty million, nine hundred eighty-three thousand, four hundred thirty-four".
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