Base | Representation |
---|---|
bin | 111011000010… |
… | …0001010101000 |
3 | 2011020102111101 |
4 | 1312010022220 |
5 | 30410400211 |
6 | 3023211144 |
7 | 524033254 |
oct | 166041250 |
9 | 64212441 |
10 | 30950056 |
11 | 1651a265 |
12 | a446ab4 |
13 | 6548557 |
14 | 4179264 |
15 | 2ab55c1 |
hex | 1d842a8 |
30950056 has 16 divisors (see below), whose sum is σ = 59600340. Its totient is φ = 15056640.
The previous prime is 30950021. The next prime is 30950063. The reversal of 30950056 is 65005903.
It is a happy number.
It can be written as a sum of positive squares in 2 ways, for example, as 30625156 + 324900 = 5534^2 + 570^2 .
It is a super-3 number, since 3×309500563 (a number of 23 digits) contains 333 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51985 + ... + 52576.
Almost surely, 230950056 is an apocalyptic number.
It is an amenable number.
30950056 is a deficient number, since it is larger than the sum of its proper divisors (28650284).
30950056 is a wasteful number, since it uses less digits than its factorization.
30950056 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 104604 (or 104600 counting only the distinct ones).
The product of its (nonzero) digits is 4050, while the sum is 28.
The square root of 30950056 is about 5563.2774512871. The cubic root of 30950056 is about 313.9692722849.
Adding to 30950056 its reverse (65005903), we get a palindrome (95955959).
The spelling of 30950056 in words is "thirty million, nine hundred fifty thousand, fifty-six".
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