Base | Representation |
---|---|
bin | 111011000110… |
… | …0101011111001 |
3 | 2011022012100212 |
4 | 1312030223321 |
5 | 30413004303 |
6 | 3024040505 |
7 | 524240066 |
oct | 166145371 |
9 | 64265325 |
10 | 30984953 |
11 | 165434aa |
12 | a463135 |
13 | 655b3bc |
14 | 4187c6d |
15 | 2ac0ad8 |
hex | 1d8caf9 |
30984953 has 8 divisors (see below), whose sum is σ = 32922720. Its totient is φ = 29077920.
The previous prime is 30984929. The next prime is 30984959. The reversal of 30984953 is 35948903.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 30984953 - 28 = 30984697 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 30984953.
It is not an unprimeable number, because it can be changed into a prime (30984959) 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, 5588 + ... + 9653.
It is an arithmetic number, because the mean of its divisors is an integer number (4115340).
Almost surely, 230984953 is an apocalyptic number.
It is an amenable number.
30984953 is a deficient number, since it is larger than the sum of its proper divisors (1937767).
30984953 is a wasteful number, since it uses less digits than its factorization.
30984953 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 15367.
The product of its (nonzero) digits is 116640, while the sum is 41.
The square root of 30984953 is about 5566.4129383293. The cubic root of 30984953 is about 314.0872308256.
The spelling of 30984953 in words is "thirty million, nine hundred eighty-four thousand, nine hundred fifty-three".
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