Base | Representation |
---|---|
bin | 111001010110… |
… | …1100011110110 |
3 | 2002120202200212 |
4 | 1302231203312 |
5 | 30144233110 |
6 | 2552305422 |
7 | 513412433 |
oct | 162554366 |
9 | 62522625 |
10 | 30071030 |
11 | 15a798a0 |
12 | a0a2272 |
13 | 62cb412 |
14 | 3dcab8a |
15 | 298ee05 |
hex | 1cad8f6 |
30071030 has 32 divisors (see below), whose sum is σ = 59276448. Its totient is φ = 10892800.
The previous prime is 30071017. The next prime is 30071059. The reversal of 30071030 is 3017003.
It is a happy number.
It is a junction number, because it is equal to n+sod(n) for n = 30070996 and 30071014.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50414 + ... + 51006.
It is an arithmetic number, because the mean of its divisors is an integer number (1852389).
Almost surely, 230071030 is an apocalyptic number.
30071030 is a deficient number, since it is larger than the sum of its proper divisors (29205418).
30071030 is a wasteful number, since it uses less digits than its factorization.
30071030 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1072.
The product of its (nonzero) digits is 63, while the sum is 14.
The square root of 30071030 is about 5483.7058637385. The cubic root of 30071030 is about 310.9682870032.
Adding to 30071030 its reverse (3017003), we get a palindrome (33088033).
The spelling of 30071030 in words is "thirty million, seventy-one thousand, thirty".
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