Base | Representation |
---|---|
bin | 111001010000… |
… | …0010111110100 |
3 | 2002111000121012 |
4 | 1302200113310 |
5 | 30141021022 |
6 | 2551211352 |
7 | 513066104 |
oct | 162402764 |
9 | 62430535 |
10 | 30017012 |
11 | 15a42253 |
12 | a076b58 |
13 | 62ac95c |
14 | 3db5204 |
15 | 297dde2 |
hex | 1ca05f4 |
30017012 has 6 divisors (see below), whose sum is σ = 52529778. Its totient is φ = 15008504.
The previous prime is 30017011. The next prime is 30017023. The reversal of 30017012 is 21071003.
It can be written as a sum of positive squares in only one way, i.e., 29008996 + 1008016 = 5386^2 + 1004^2 .
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30017011) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3752123 + ... + 3752130.
It is an arithmetic number, because the mean of its divisors is an integer number (8754963).
Almost surely, 230017012 is an apocalyptic number.
It is an amenable number.
30017012 is a deficient number, since it is larger than the sum of its proper divisors (22512766).
30017012 is a wasteful number, since it uses less digits than its factorization.
30017012 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7504257 (or 7504255 counting only the distinct ones).
The product of its (nonzero) digits is 42, while the sum is 14.
The square root of 30017012 is about 5478.7783309785. The cubic root of 30017012 is about 310.7819730963.
Adding to 30017012 its reverse (21071003), we get a palindrome (51088015).
The spelling of 30017012 in words is "thirty million, seventeen thousand, twelve".
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