Base | Representation |
---|---|
bin | 111001011000… |
… | …0111001100001 |
3 | 2002121110110100 |
4 | 1302300321201 |
5 | 30200202310 |
6 | 2552453013 |
7 | 513500340 |
oct | 162607141 |
9 | 62543410 |
10 | 30084705 |
11 | 15a890a2 |
12 | a0aa169 |
13 | 6304701 |
14 | 3dd1b57 |
15 | 2993ec0 |
hex | 1cb0e61 |
30084705 has 24 divisors (see below), whose sum is σ = 59596992. Its totient is φ = 13752864.
The previous prime is 30084697. The next prime is 30084721. The reversal of 30084705 is 50748003.
It is not a de Polignac number, because 30084705 - 23 = 30084697 is a prime.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 47439 + ... + 48068.
It is an arithmetic number, because the mean of its divisors is an integer number (2483208).
Almost surely, 230084705 is an apocalyptic number.
30084705 is a gapful number since it is divisible by the number (35) formed by its first and last digit.
It is an amenable number.
30084705 is a deficient number, since it is larger than the sum of its proper divisors (29512287).
30084705 is a wasteful number, since it uses less digits than its factorization.
30084705 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 95525 (or 95522 counting only the distinct ones).
The product of its (nonzero) digits is 3360, while the sum is 27.
The square root of 30084705 is about 5484.9525977897. The cubic root of 30084705 is about 311.0154181553.
The spelling of 30084705 in words is "thirty million, eighty-four thousand, seven hundred five".
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