Base | Representation |
---|---|
bin | 101110000010… |
… | …001010110001 |
3 | 211201002111122 |
4 | 232002022301 |
5 | 11042130010 |
6 | 1110352025 |
7 | 204400142 |
oct | 56021261 |
9 | 24632448 |
10 | 12067505 |
11 | 68a254a |
12 | 405b615 |
13 | 2666948 |
14 | 1861ac9 |
15 | 10d5855 |
hex | b822b1 |
12067505 has 8 divisors (see below), whose sum is σ = 14534952. Its totient is φ = 9618048.
The previous prime is 12067483. The next prime is 12067507. The reversal of 12067505 is 50576021.
It can be written as a sum of positive squares in 4 ways, for example, as 2283121 + 9784384 = 1511^2 + 3128^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 12067505 - 26 = 12067441 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (12067507) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2972 + ... + 5741.
It is an arithmetic number, because the mean of its divisors is an integer number (1816869).
Almost surely, 212067505 is an apocalyptic number.
It is an amenable number.
12067505 is a deficient number, since it is larger than the sum of its proper divisors (2467447).
12067505 is an equidigital number, since it uses as much as digits as its factorization.
12067505 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8995.
The product of its (nonzero) digits is 2100, while the sum is 26.
The square root of 12067505 is about 3473.8314582029. The cubic root of 12067505 is about 229.3713456592.
The spelling of 12067505 in words is "twelve million, sixty-seven thousand, five hundred five".
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