Base | Representation |
---|---|
bin | 111010011111… |
… | …1110111011110 |
3 | 2010201012202010 |
4 | 1310333313132 |
5 | 30322422202 |
6 | 3013212050 |
7 | 521456535 |
oct | 164776736 |
9 | 63635663 |
10 | 30670302 |
11 | 16349063 |
12 | a331026 |
13 | 647b110 |
14 | 410531c |
15 | 2a5c76c |
hex | 1d3fdde |
30670302 has 16 divisors (see below), whose sum is σ = 66059280. Its totient is φ = 9436992.
The previous prime is 30670301. The next prime is 30670303. The reversal of 30670302 is 20307603.
It is an interprime number because it is at equal distance from previous prime (30670301) and next prime (30670303).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30670301) by changing a digit.
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 7 ways as a sum of consecutive naturals, for example, 196527 + ... + 196682.
It is an arithmetic number, because the mean of its divisors is an integer number (4128705).
Almost surely, 230670302 is an apocalyptic number.
30670302 is an abundant number, since it is smaller than the sum of its proper divisors (35388978).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30670302 is a wasteful number, since it uses less digits than its factorization.
30670302 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 393227.
The product of its (nonzero) digits is 756, while the sum is 21.
The square root of 30670302 is about 5538.0774642470. The cubic root of 30670302 is about 313.0204302996.
Adding to 30670302 its reverse (20307603), we get a palindrome (50977905).
The spelling of 30670302 in words is "thirty million, six hundred seventy thousand, three hundred two".
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