Base | Representation |
---|---|
bin | 111010000010… |
… | …1101100000110 |
3 | 2010021002212100 |
4 | 1310011230012 |
5 | 30242311011 |
6 | 3004132530 |
7 | 516445023 |
oct | 164055406 |
9 | 63232770 |
10 | 30432006 |
11 | 161a6020 |
12 | a237146 |
13 | 63c6807 |
14 | 408254a |
15 | 2a11d56 |
hex | 1d05b06 |
30432006 has 48 divisors (see below), whose sum is σ = 76169808. Its totient is φ = 8678400.
The previous prime is 30431981. The next prime is 30432011. The reversal of 30432006 is 60023403.
It is a super-2 number, since 2×304320062 = 1852213978368072, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a self number, because there is not a number n which added to its sum of digits gives 30432006.
It is a congruent number.
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 23 ways as a sum of consecutive naturals, for example, 1155 + ... + 7886.
It is an arithmetic number, because the mean of its divisors is an integer number (1586871).
Almost surely, 230432006 is an apocalyptic number.
30432006 is an abundant number, since it is smaller than the sum of its proper divisors (45737802).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30432006 is a wasteful number, since it uses less digits than its factorization.
30432006 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9077 (or 9074 counting only the distinct ones).
The product of its (nonzero) digits is 432, while the sum is 18.
The square root of 30432006 is about 5516.5211864000. The cubic root of 30432006 is about 312.2076403814.
Adding to 30432006 its reverse (60023403), we get a palindrome (90455409).
The spelling of 30432006 in words is "thirty million, four hundred thirty-two thousand, six".
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