Base | Representation |
---|---|
bin | 101110111011… |
… | …100101111011 |
3 | 212011001011010 |
4 | 232323211323 |
5 | 11122141330 |
6 | 1115405003 |
7 | 206366655 |
oct | 56734573 |
9 | 25131133 |
10 | 12302715 |
11 | 6a43237 |
12 | 4153763 |
13 | 2719a19 |
14 | 18c36d5 |
15 | 11303b0 |
hex | bbb97b |
12302715 has 16 divisors (see below), whose sum is σ = 19764000. Its totient is φ = 6534912.
The previous prime is 12302711. The next prime is 12302729. The reversal of 12302715 is 51720321.
It is not a de Polignac number, because 12302715 - 22 = 12302711 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 12302691 and 12302700.
It is not an unprimeable number, because it can be changed into a prime (12302711) by changing a digit.
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 15 ways as a sum of consecutive naturals, for example, 2511 + ... + 5559.
It is an arithmetic number, because the mean of its divisors is an integer number (1235250).
Almost surely, 212302715 is an apocalyptic number.
12302715 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
12302715 is a deficient number, since it is larger than the sum of its proper divisors (7461285).
12302715 is a wasteful number, since it uses less digits than its factorization.
12302715 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3326.
The product of its (nonzero) digits is 420, while the sum is 21.
The square root of 12302715 is about 3507.5226300054. The cubic root of 12302715 is about 230.8520069288.
The spelling of 12302715 in words is "twelve million, three hundred two thousand, seven hundred fifteen".
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