Base | Representation |
---|---|
bin | 111010100001… |
… | …1000100111001 |
3 | 2010201212210001 |
4 | 1311003010321 |
5 | 30323332244 |
6 | 3013353001 |
7 | 521543056 |
oct | 165030471 |
9 | 63655701 |
10 | 30683449 |
11 | 16357a25 |
12 | a338761 |
13 | 64840b4 |
14 | 410a02d |
15 | 2a615d4 |
hex | 1d43139 |
30683449 has 8 divisors (see below), whose sum is σ = 32622912. Its totient is φ = 28794480.
The previous prime is 30683447. The next prime is 30683483. The reversal of 30683449 is 94438603.
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 30683449 - 21 = 30683447 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (30683441) 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, 11367 + ... + 13804.
It is an arithmetic number, because the mean of its divisors is an integer number (4077864).
Almost surely, 230683449 is an apocalyptic number.
It is an amenable number.
30683449 is a deficient number, since it is larger than the sum of its proper divisors (1939463).
30683449 is a wasteful number, since it uses less digits than its factorization.
30683449 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 25247.
The product of its (nonzero) digits is 62208, while the sum is 37.
The square root of 30683449 is about 5539.2643013310. The cubic root of 30683449 is about 313.0651499084.
The spelling of 30683449 in words is "thirty million, six hundred eighty-three thousand, four hundred forty-nine".
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