Base | Representation |
---|---|
bin | 111001111101… |
… | …1010001011001 |
3 | 2010011221100000 |
4 | 1303323101121 |
5 | 30234424322 |
6 | 3003203213 |
7 | 516206436 |
oct | 163732131 |
9 | 63157300 |
10 | 30389337 |
11 | 16176a60 |
12 | a216509 |
13 | 63b0274 |
14 | 4070b8d |
15 | 2a043ac |
hex | 1cfb459 |
30389337 has 24 divisors (see below), whose sum is σ = 49664160. Its totient is φ = 18416160.
The previous prime is 30389329. The next prime is 30389339. The reversal of 30389337 is 73398303.
It is a happy number.
It is not a de Polignac number, because 30389337 - 23 = 30389329 is a prime.
It is not an unprimeable number, because it can be changed into a prime (30389339) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3012 + ... + 8357.
It is an arithmetic number, because the mean of its divisors is an integer number (2069340).
Almost surely, 230389337 is an apocalyptic number.
It is an amenable number.
30389337 is a deficient number, since it is larger than the sum of its proper divisors (19274823).
30389337 is a wasteful number, since it uses less digits than its factorization.
30389337 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 11395 (or 11383 counting only the distinct ones).
The product of its (nonzero) digits is 40824, while the sum is 36.
The square root of 30389337 is about 5512.6524468717. The cubic root of 30389337 is about 312.0616557145.
The spelling of 30389337 in words is "thirty million, three hundred eighty-nine thousand, three hundred thirty-seven".
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