Base | Representation |
---|---|
bin | 101110000101… |
… | …110000100111 |
3 | 211201211200110 |
4 | 232011300213 |
5 | 11043112330 |
6 | 1110544103 |
7 | 204461055 |
oct | 56056047 |
9 | 24654613 |
10 | 12082215 |
11 | 6902602 |
12 | 4068033 |
13 | 2670552 |
14 | 18671d5 |
15 | 10d9db0 |
hex | b85c27 |
12082215 has 16 divisors (see below), whose sum is σ = 19420128. Its totient is φ = 6414336.
The previous prime is 12082211. The next prime is 12082237. The reversal of 12082215 is 51228021.
It is a happy number.
12082215 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 12082215 - 22 = 12082211 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 12082191 and 12082200.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12082211) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1767 + ... + 5223.
It is an arithmetic number, because the mean of its divisors is an integer number (1213758).
Almost surely, 212082215 is an apocalyptic number.
12082215 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
12082215 is a deficient number, since it is larger than the sum of its proper divisors (7337913).
12082215 is a wasteful number, since it uses less digits than its factorization.
12082215 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3698.
The product of its (nonzero) digits is 320, while the sum is 21.
The square root of 12082215 is about 3475.9480721092. The cubic root of 12082215 is about 229.4645072105.
The spelling of 12082215 in words is "twelve million, eighty-two thousand, two hundred fifteen".
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