Base | Representation |
---|---|
bin | 101110101001… |
… | …111101110011 |
3 | 212000101010001 |
4 | 232221331303 |
5 | 11112334030 |
6 | 1114050431 |
7 | 205646323 |
oct | 56517563 |
9 | 25011101 |
10 | 12230515 |
11 | 69a3a70 |
12 | 4119a17 |
13 | 26c2bbb |
14 | 18a5283 |
15 | 1118cca |
hex | ba9f73 |
12230515 has 16 divisors (see below), whose sum is σ = 16254720. Its totient is φ = 8759520.
The previous prime is 12230513. The next prime is 12230521. The reversal of 12230515 is 51503221.
It is not a de Polignac number, because 12230515 - 21 = 12230513 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 12230492 and 12230501.
It is not an unprimeable number, because it can be changed into a prime (12230513) 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, 2026 + ... + 5344.
It is an arithmetic number, because the mean of its divisors is an integer number (1015920).
Almost surely, 212230515 is an apocalyptic number.
12230515 is a deficient number, since it is larger than the sum of its proper divisors (4024205).
12230515 is a wasteful number, since it uses less digits than its factorization.
12230515 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3402.
The product of its (nonzero) digits is 300, while the sum is 19.
The square root of 12230515 is about 3497.2153207945. The cubic root of 12230515 is about 230.3995261351.
Adding to 12230515 its reverse (51503221), we get a palindrome (63733736).
The spelling of 12230515 in words is "twelve million, two hundred thirty thousand, five hundred fifteen".
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