Base | Representation |
---|---|
bin | 111010110111… |
… | …1001111110010 |
3 | 2011002001221211 |
4 | 1311233033302 |
5 | 30400124440 |
6 | 3021310334 |
7 | 523225405 |
oct | 165571762 |
9 | 64061854 |
10 | 30864370 |
11 | 16470949 |
12 | a4053aa |
13 | 6518554 |
14 | 4155d3c |
15 | 2a99eea |
hex | 1d6f3f2 |
30864370 has 8 divisors (see below), whose sum is σ = 55555884. Its totient is φ = 12345744.
The previous prime is 30864359. The next prime is 30864377. The reversal of 30864370 is 7346803.
It can be written as a sum of positive squares in 2 ways, for example, as 30835809 + 28561 = 5553^2 + 169^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not an unprimeable number, because it can be changed into a prime (30864377) by changing a digit.
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 in 3 ways as a sum of consecutive naturals, for example, 1543209 + ... + 1543228.
Almost surely, 230864370 is an apocalyptic number.
30864370 is a deficient number, since it is larger than the sum of its proper divisors (24691514).
30864370 is a wasteful number, since it uses less digits than its factorization.
30864370 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3086444.
The product of its (nonzero) digits is 12096, while the sum is 31.
The square root of 30864370 is about 5555.5710777561. The cubic root of 30864370 is about 313.6792605714.
The spelling of 30864370 in words is "thirty million, eight hundred sixty-four thousand, three hundred seventy".
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