Base | Representation |
---|---|
bin | 111010000010… |
… | …1001101010010 |
3 | 2010021000011022 |
4 | 1310011031102 |
5 | 30242230114 |
6 | 3004115442 |
7 | 516436205 |
oct | 164051522 |
9 | 63230138 |
10 | 30430034 |
11 | 161a4598 |
12 | a235b82 |
13 | 63c594b |
14 | 408193c |
15 | 2a1148e |
hex | 1d05352 |
30430034 has 16 divisors (see below), whose sum is σ = 49890816. Its totient is φ = 13857600.
The previous prime is 30430027. The next prime is 30430061. The reversal of 30430034 is 43003403.
It is a Harshad number since it is a multiple of its sum of digits (17).
It is a junction number, because it is equal to n+sod(n) for n = 30429994 and 30430021.
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 7 ways as a sum of consecutive naturals, for example, 13382 + ... + 15489.
It is an arithmetic number, because the mean of its divisors is an integer number (3118176).
Almost surely, 230430034 is an apocalyptic number.
30430034 is a gapful number since it is divisible by the number (34) formed by its first and last digit.
30430034 is a deficient number, since it is larger than the sum of its proper divisors (19460782).
30430034 is a wasteful number, since it uses less digits than its factorization.
30430034 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 28921.
The product of its (nonzero) digits is 432, while the sum is 17.
The square root of 30430034 is about 5516.3424476731. The cubic root of 30430034 is about 312.2008965301.
Adding to 30430034 its reverse (43003403), we get a palindrome (73433437).
The spelling of 30430034 in words is "thirty million, four hundred thirty thousand, thirty-four".
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