Base | Representation |
---|---|
bin | 111010111101… |
… | …1100001111110 |
3 | 2011011121222101 |
4 | 1311323201332 |
5 | 30403232221 |
6 | 3022335314 |
7 | 523525165 |
oct | 165734176 |
9 | 64147871 |
10 | 30914686 |
11 | 164a5730 |
12 | a42a53a |
13 | 653541a |
14 | 416a3dc |
15 | 2aa9d91 |
hex | 1d7b87e |
30914686 has 16 divisors (see below), whose sum is σ = 51092208. Its totient is φ = 13912000.
The previous prime is 30914677. The next prime is 30914693. The reversal of 30914686 is 68641903.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4735 + ... + 9178.
It is an arithmetic number, because the mean of its divisors is an integer number (3193263).
Almost surely, 230914686 is an apocalyptic number.
30914686 is a deficient number, since it is larger than the sum of its proper divisors (20177522).
30914686 is a wasteful number, since it uses less digits than its factorization.
30914686 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 14027.
The product of its (nonzero) digits is 31104, while the sum is 37.
The square root of 30914686 is about 5560.0976610128. The cubic root of 30914686 is about 313.8496244003.
It can be divided in two parts, 3091 and 4686, that added together give a palindrome (7777).
The spelling of 30914686 in words is "thirty million, nine hundred fourteen thousand, six hundred eighty-six".
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