Base | Representation |
---|---|
bin | 111010111011… |
… | …0111011001110 |
3 | 2011010200002201 |
4 | 1311312323032 |
5 | 30402131242 |
6 | 3022112114 |
7 | 523416166 |
oct | 165667316 |
9 | 64120081 |
10 | 30895822 |
11 | 16492541 |
12 | a41b63a |
13 | 6529969 |
14 | 41635a6 |
15 | 2aa44b7 |
hex | 1d76ece |
30895822 has 16 divisors (see below), whose sum is σ = 47589120. Its totient is φ = 15038008.
The previous prime is 30895819. The next prime is 30895859. The reversal of 30895822 is 22859803.
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, 11403 + ... + 13849.
It is an arithmetic number, because the mean of its divisors is an integer number (2974320).
Almost surely, 230895822 is an apocalyptic number.
30895822 is a deficient number, since it is larger than the sum of its proper divisors (16693298).
30895822 is a wasteful number, since it uses less digits than its factorization.
30895822 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2615.
The product of its (nonzero) digits is 34560, while the sum is 37.
The square root of 30895822 is about 5558.4010290730. The cubic root of 30895822 is about 313.7857748766.
It can be divided in two parts, 3089 and 5822, that added together give a triangular number (8911 = T133).
The spelling of 30895822 in words is "thirty million, eight hundred ninety-five thousand, eight hundred twenty-two".
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