Base | Representation |
---|---|
bin | 111001111111… |
… | …0011011111110 |
3 | 2010012121010012 |
4 | 1303332123332 |
5 | 30240333202 |
6 | 3003343222 |
7 | 516262310 |
oct | 163763376 |
9 | 63177105 |
10 | 30402302 |
11 | 16185777 |
12 | a221b12 |
13 | 63b6138 |
14 | 40757b0 |
15 | 2a08152 |
hex | 1cfe6fe |
30402302 has 8 divisors (see below), whose sum is σ = 52118256. Its totient is φ = 13029552.
The previous prime is 30402301. The next prime is 30402367. The reversal of 30402302 is 20320403.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a Harshad number since it is a multiple of its sum of digits (14), and also a Moran number because the ratio is a prime number: 2171593 = 30402302 / (3 + 0 + 4 + 0 + 2 + 3 + 0 + 2).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30402301) 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 3 ways as a sum of consecutive naturals, for example, 1085783 + ... + 1085810.
It is an arithmetic number, because the mean of its divisors is an integer number (6514782).
Almost surely, 230402302 is an apocalyptic number.
30402302 is a deficient number, since it is larger than the sum of its proper divisors (21715954).
30402302 is a wasteful number, since it uses less digits than its factorization.
30402302 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2171602.
The product of its (nonzero) digits is 144, while the sum is 14.
The square root of 30402302 is about 5513.8282526753. The cubic root of 30402302 is about 312.1060276833.
Adding to 30402302 its reverse (20320403), we get a palindrome (50722705).
The spelling of 30402302 in words is "thirty million, four hundred two thousand, three hundred two".
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