Base | Representation |
---|---|
bin | 111010101001… |
… | …1100111100110 |
3 | 2010212022201120 |
4 | 1311103213212 |
5 | 30333014311 |
6 | 3015034410 |
7 | 522244443 |
oct | 165234746 |
9 | 63768646 |
10 | 30751206 |
11 | 163a3922 |
12 | a36ba06 |
13 | 64a8ba5 |
14 | 41269ca |
15 | 2a76706 |
hex | 1d539e6 |
30751206 has 8 divisors (see below), whose sum is σ = 61502424. Its totient is φ = 10250400.
The previous prime is 30751199. The next prime is 30751211. The reversal of 30751206 is 60215703.
It is a sphenic number, since it is the product of 3 distinct primes.
30751206 is an admirable number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2562595 + ... + 2562606.
It is an arithmetic number, because the mean of its divisors is an integer number (7687803).
Almost surely, 230751206 is an apocalyptic number.
30751206 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.
30751206 is a wasteful number, since it uses less digits than its factorization.
30751206 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5125206.
The product of its (nonzero) digits is 1260, while the sum is 24.
The square root of 30751206 is about 5545.3769934965. The cubic root of 30751206 is about 313.2954234604.
Adding to 30751206 its reverse (60215703), we get a palindrome (90966909).
The spelling of 30751206 in words is "thirty million, seven hundred fifty-one thousand, two hundred six".
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