Base | Representation |
---|---|
bin | 111001010010… |
… | …0010000101010 |
3 | 2002111211110001 |
4 | 1302210100222 |
5 | 30142023223 |
6 | 2551413214 |
7 | 513163405 |
oct | 162442052 |
9 | 62454401 |
10 | 30032938 |
11 | 15a53211 |
12 | a08420a |
13 | 62b6c90 |
14 | 3dbad3c |
15 | 29839ad |
hex | 1ca442a |
30032938 has 16 divisors (see below), whose sum is σ = 48726216. Its totient is φ = 13800960.
The previous prime is 30032921. The next prime is 30032941. The reversal of 30032938 is 83923003.
It is a happy number.
It can be written as a sum of positive squares in 4 ways, for example, as 28164249 + 1868689 = 5307^2 + 1367^2 .
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3870 + ... + 8662.
Almost surely, 230032938 is an apocalyptic number.
30032938 is a deficient number, since it is larger than the sum of its proper divisors (18693278).
30032938 is a wasteful number, since it uses less digits than its factorization.
30032938 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5049.
The product of its (nonzero) digits is 3888, while the sum is 28.
The square root of 30032938 is about 5480.2315644505. The cubic root of 30032938 is about 310.8369268073.
The spelling of 30032938 in words is "thirty million, thirty-two thousand, nine hundred thirty-eight".
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