Base | Representation |
---|---|
bin | 111011000110… |
… | …0100010110001 |
3 | 2011022011120020 |
4 | 1312030202301 |
5 | 30412444434 |
6 | 3024034053 |
7 | 524235303 |
oct | 166144261 |
9 | 64264506 |
10 | 30984369 |
11 | 16543019 |
12 | a462929 |
13 | 655b060 |
14 | 4187973 |
15 | 2ac0849 |
hex | 1d8c8b1 |
30984369 has 8 divisors (see below), whose sum is σ = 44490432. Its totient is φ = 19067280.
The previous prime is 30984367. The next prime is 30984377. The reversal of 30984369 is 96348903.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 30984369 - 21 = 30984367 is a prime.
It is a super-2 number, since 2×309843692 = 1920062244656322, which contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 30984369.
It is not an unprimeable number, because it can be changed into a prime (30984361) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 397197 + ... + 397274.
It is an arithmetic number, because the mean of its divisors is an integer number (5561304).
Almost surely, 230984369 is an apocalyptic number.
30984369 is a gapful number since it is divisible by the number (39) formed by its first and last digit.
It is an amenable number.
30984369 is a deficient number, since it is larger than the sum of its proper divisors (13506063).
30984369 is a wasteful number, since it uses less digits than its factorization.
30984369 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 794487.
The product of its (nonzero) digits is 139968, while the sum is 42.
The square root of 30984369 is about 5566.3604806013. The cubic root of 30984369 is about 314.0852575227.
The spelling of 30984369 in words is "thirty million, nine hundred eighty-four thousand, three hundred sixty-nine".
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