Base | Representation |
---|---|
bin | 111010101100… |
… | …0001101110000 |
3 | 2010220021112211 |
4 | 1311120031300 |
5 | 30334120112 |
6 | 3015301504 |
7 | 522353356 |
oct | 165301560 |
9 | 63807484 |
10 | 30770032 |
11 | 16406a87 |
12 | a37a894 |
13 | 64b4627 |
14 | 412d7d6 |
15 | 2a7c0a7 |
hex | 1d58370 |
30770032 has 10 divisors (see below), whose sum is σ = 59616968. Its totient is φ = 15385008.
The previous prime is 30770023. The next prime is 30770039. The reversal of 30770032 is 23007703.
It is a junction number, because it is equal to n+sod(n) for n = 30769985 and 30770012.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30770039) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 961548 + ... + 961579.
Almost surely, 230770032 is an apocalyptic number.
It is an amenable number.
30770032 is a deficient number, since it is larger than the sum of its proper divisors (28846936).
30770032 is a wasteful number, since it uses less digits than its factorization.
30770032 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1923135 (or 1923129 counting only the distinct ones).
The product of its (nonzero) digits is 882, while the sum is 22.
The square root of 30770032 is about 5547.0741837477. The cubic root of 30770032 is about 313.3593439501.
Adding to 30770032 its reverse (23007703), we get a palindrome (53777735).
The spelling of 30770032 in words is "thirty million, seven hundred seventy thousand, thirty-two".
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