Base | Representation |
---|---|
bin | 111001010011… |
… | …0101000110010 |
3 | 2002112022210122 |
4 | 1302212220302 |
5 | 30142331144 |
6 | 2551530242 |
7 | 513233654 |
oct | 162465062 |
9 | 62468718 |
10 | 30042674 |
11 | 15a5a562 |
12 | a089982 |
13 | 62bb53c |
14 | 3dc06d4 |
15 | 29867ee |
hex | 1ca6a32 |
30042674 has 8 divisors (see below), whose sum is σ = 45096048. Its totient is φ = 15010660.
The previous prime is 30042671. The next prime is 30042737. The reversal of 30042674 is 47624003.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a super-2 number, since 2×300426742 = 1805124522140552, which contains 22 as substring.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (30042671) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1172 + ... + 7839.
It is an arithmetic number, because the mean of its divisors is an integer number (5637006).
Almost surely, 230042674 is an apocalyptic number.
30042674 is a deficient number, since it is larger than the sum of its proper divisors (15053374).
30042674 is a wasteful number, since it uses less digits than its factorization.
30042674 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10680.
The product of its (nonzero) digits is 4032, while the sum is 26.
The square root of 30042674 is about 5481.1197761041. The cubic root of 30042674 is about 310.8705119482.
Adding to 30042674 its reverse (47624003), we get a palindrome (77666677).
The spelling of 30042674 in words is "thirty million, forty-two thousand, six hundred seventy-four".
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