Base | Representation |
---|---|
bin | 111010100111… |
… | …0011110111110 |
3 | 2010211020212121 |
4 | 1311032132332 |
5 | 30331331144 |
6 | 3014353154 |
7 | 522126226 |
oct | 165163676 |
9 | 63736777 |
10 | 30730174 |
11 | 1638a042 |
12 | a35b7ba |
13 | 649c447 |
14 | 411d086 |
15 | 2a70384 |
hex | 1d4e7be |
30730174 has 4 divisors (see below), whose sum is σ = 46095264. Its totient is φ = 15365086.
The previous prime is 30730157. The next prime is 30730199. The reversal of 30730174 is 47103703.
It is a happy number.
It is a semiprime because it is the product of two primes.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7682542 + ... + 7682545.
It is an arithmetic number, because the mean of its divisors is an integer number (11523816).
Almost surely, 230730174 is an apocalyptic number.
30730174 is a deficient number, since it is larger than the sum of its proper divisors (15365090).
30730174 is a wasteful number, since it uses less digits than its factorization.
30730174 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 15365089.
The product of its (nonzero) digits is 1764, while the sum is 25.
The square root of 30730174 is about 5543.4803147481. The cubic root of 30730174 is about 313.2239820115.
Adding to 30730174 its reverse (47103703), we get a palindrome (77833877).
The spelling of 30730174 in words is "thirty million, seven hundred thirty thousand, one hundred seventy-four".
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