Base | Representation |
---|---|
bin | 111001011101… |
… | …0100000001010 |
3 | 2002200110102021 |
4 | 1302322200022 |
5 | 30202432132 |
6 | 2553355054 |
7 | 514023124 |
oct | 162724012 |
9 | 62613367 |
10 | 30124042 |
11 | 16005703 |
12 | a108a8a |
13 | 63195a0 |
14 | 4002214 |
15 | 29a0997 |
hex | 1cba80a |
30124042 has 8 divisors (see below), whose sum is σ = 48661956. Its totient is φ = 13903392.
The previous prime is 30124021. The next prime is 30124067. The reversal of 30124042 is 24042103.
It can be written as a sum of positive squares in 2 ways, for example, as 29257281 + 866761 = 5409^2 + 931^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
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 3 ways as a sum of consecutive naturals, for example, 579283 + ... + 579334.
Almost surely, 230124042 is an apocalyptic number.
30124042 is a deficient number, since it is larger than the sum of its proper divisors (18537914).
30124042 is a wasteful number, since it uses less digits than its factorization.
30124042 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1158632.
The product of its (nonzero) digits is 192, while the sum is 16.
The square root of 30124042 is about 5488.5373279226. The cubic root of 30124042 is about 311.1509143046.
Adding to 30124042 its reverse (24042103), we get a palindrome (54166145).
The spelling of 30124042 in words is "thirty million, one hundred twenty-four thousand, forty-two".
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