Base | Representation |
---|---|
bin | 111010100001… |
… | …0010100010011 |
3 | 2010201201111212 |
4 | 1311002110103 |
5 | 30323232324 |
6 | 3013330335 |
7 | 521531024 |
oct | 165022423 |
9 | 63651455 |
10 | 30680339 |
11 | 16355658 |
12 | a3369ab |
13 | 6482861 |
14 | 4108c4b |
15 | 2a6070e |
hex | 1d42513 |
30680339 has 8 divisors (see below), whose sum is σ = 31159920. Its totient is φ = 30204576.
The previous prime is 30680333. The next prime is 30680357. The reversal of 30680339 is 93308603.
It is a happy number.
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 30680339 - 216 = 30614803 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (30680333) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18044 + ... + 19670.
It is an arithmetic number, because the mean of its divisors is an integer number (3894990).
Almost surely, 230680339 is an apocalyptic number.
30680339 is a deficient number, since it is larger than the sum of its proper divisors (479581).
30680339 is a wasteful number, since it uses less digits than its factorization.
30680339 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1909.
The product of its (nonzero) digits is 11664, while the sum is 32.
The square root of 30680339 is about 5538.9835710173. The cubic root of 30680339 is about 313.0545723762.
The spelling of 30680339 in words is "thirty million, six hundred eighty thousand, three hundred thirty-nine".
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