Base | Representation |
---|---|
bin | 111001101000… |
… | …1100110110010 |
3 | 2002212021020011 |
4 | 1303101212302 |
5 | 30213444144 |
6 | 2555405134 |
7 | 514566043 |
oct | 163214662 |
9 | 62767204 |
10 | 30218674 |
11 | 1606a812 |
12 | a1537aa |
13 | 6350695 |
14 | 40288ca |
15 | 29bda34 |
hex | 1cd19b2 |
30218674 has 8 divisors (see below), whose sum is σ = 45578988. Its totient is φ = 15025680.
The previous prime is 30218641. The next prime is 30218689. The reversal of 30218674 is 47681203.
It can be written as a sum of positive squares in 2 ways, for example, as 29975625 + 243049 = 5475^2 + 493^2 .
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 (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41377 + ... + 42100.
Almost surely, 230218674 is an apocalyptic number.
30218674 is a deficient number, since it is larger than the sum of its proper divisors (15360314).
30218674 is a wasteful number, since it uses less digits than its factorization.
30218674 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 83660.
The product of its (nonzero) digits is 8064, while the sum is 31.
The square root of 30218674 is about 5497.1514441572. The cubic root of 30218674 is about 311.4763913687.
Adding to 30218674 its reverse (47681203), we get a palindrome (77899877).
The spelling of 30218674 in words is "thirty million, two hundred eighteen thousand, six hundred seventy-four".
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