Base | Representation |
---|---|
bin | 111010100001… |
… | …0010100011010 |
3 | 2010201201112010 |
4 | 1311002110122 |
5 | 30323232341 |
6 | 3013330350 |
7 | 521531034 |
oct | 165022432 |
9 | 63651463 |
10 | 30680346 |
11 | 16355664 |
12 | a3369b6 |
13 | 6482868 |
14 | 4108c54 |
15 | 2a60716 |
hex | 1d4251a |
30680346 has 8 divisors (see below), whose sum is σ = 61360704. Its totient is φ = 10226780.
The previous prime is 30680333. The next prime is 30680357. The reversal of 30680346 is 64308603.
It is a sphenic number, since it is the product of 3 distinct primes.
30680346 is an admirable number.
It is an unprimeable number.
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 3 ways as a sum of consecutive naturals, for example, 2556690 + ... + 2556701.
It is an arithmetic number, because the mean of its divisors is an integer number (7670088).
Almost surely, 230680346 is an apocalyptic number.
30680346 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30680346 is a wasteful number, since it uses less digits than its factorization.
30680346 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5113396.
The product of its (nonzero) digits is 10368, while the sum is 30.
The square root of 30680346 is about 5538.9842029022. The cubic root of 30680346 is about 313.0545961849.
Adding to 30680346 its reverse (64308603), we get a palindrome (94988949).
The spelling of 30680346 in words is "thirty million, six hundred eighty thousand, three hundred forty-six".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.080 sec. • engine limits •