Base | Representation |
---|---|
bin | 111010111110… |
… | …0000110100000 |
3 | 2011011202011222 |
4 | 1311330012200 |
5 | 30403321044 |
6 | 3022354212 |
7 | 523535045 |
oct | 165740640 |
9 | 64152158 |
10 | 30917024 |
11 | 164a7466 |
12 | a42b968 |
13 | 65364c8 |
14 | 416b1cc |
15 | 2aaa8ee |
hex | 1d7c1a0 |
30917024 has 12 divisors (see below), whose sum is σ = 60867954. Its totient is φ = 15458496.
The previous prime is 30917017. The next prime is 30917027. The reversal of 30917024 is 42071903.
It can be written as a sum of positive squares in only one way, i.e., 26337424 + 4579600 = 5132^2 + 2140^2 .
It is a junction number, because it is equal to n+sod(n) for n = 30916984 and 30917002.
It is not an unprimeable number, because it can be changed into a prime (30917027) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 483047 + ... + 483110.
Almost surely, 230917024 is an apocalyptic number.
It is an amenable number.
30917024 is a deficient number, since it is larger than the sum of its proper divisors (29950930).
30917024 is an equidigital number, since it uses as much as digits as its factorization.
30917024 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 966167 (or 966159 counting only the distinct ones).
The product of its (nonzero) digits is 1512, while the sum is 26.
The square root of 30917024 is about 5560.3079051434. The cubic root of 30917024 is about 313.8575360870.
Adding to 30917024 its reverse (42071903), we get a palindrome (72988927).
The spelling of 30917024 in words is "thirty million, nine hundred seventeen thousand, twenty-four".
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