Base | Representation |
---|---|
bin | 111010000001… |
… | …1010101000111 |
3 | 2010020121121110 |
4 | 1310003111013 |
5 | 30242003333 |
6 | 3004020103 |
7 | 516404610 |
oct | 164032507 |
9 | 63217543 |
10 | 30422343 |
11 | 16199836 |
12 | a231633 |
13 | 63c22b3 |
14 | 407cc07 |
15 | 2a0e063 |
hex | 1d03547 |
30422343 has 8 divisors (see below), whose sum is σ = 46357888. Its totient is φ = 17384184.
The previous prime is 30422339. The next prime is 30422351. The reversal of 30422343 is 34322403.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 30422343 - 22 = 30422339 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 1448683 = 30422343 / (3 + 0 + 4 + 2 + 2 + 3 + 4 + 3).
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30422323) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 724321 + ... + 724362.
It is an arithmetic number, because the mean of its divisors is an integer number (5794736).
Almost surely, 230422343 is an apocalyptic number.
30422343 is a deficient number, since it is larger than the sum of its proper divisors (15935545).
30422343 is a wasteful number, since it uses less digits than its factorization.
30422343 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1448693.
The product of its (nonzero) digits is 1728, while the sum is 21.
The square root of 30422343 is about 5515.6452931638. The cubic root of 30422343 is about 312.1745920419.
Adding to 30422343 its reverse (34322403), we get a palindrome (64744746).
The spelling of 30422343 in words is "thirty million, four hundred twenty-two thousand, three hundred forty-three".
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