Base | Representation |
---|---|
bin | 101111010001… |
… | …011010010101 |
3 | 212022120202010 |
4 | 233101122111 |
5 | 11133021320 |
6 | 1121334433 |
7 | 210221346 |
oct | 57213225 |
9 | 25276663 |
10 | 12392085 |
11 | 6aa43a2 |
12 | 4197419 |
13 | 274b5c4 |
14 | 19080cd |
15 | 114bae0 |
hex | bd1695 |
12392085 has 16 divisors (see below), whose sum is σ = 20871360. Its totient is φ = 6261120.
The previous prime is 12392071. The next prime is 12392087. The reversal of 12392085 is 58029321.
It is a happy number.
It is not a de Polignac number, because 12392085 - 24 = 12392069 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12392087) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21456 + ... + 22025.
It is an arithmetic number, because the mean of its divisors is an integer number (1304460).
Almost surely, 212392085 is an apocalyptic number.
12392085 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
12392085 is a deficient number, since it is larger than the sum of its proper divisors (8479275).
12392085 is a wasteful number, since it uses less digits than its factorization.
12392085 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 43508.
The product of its (nonzero) digits is 4320, while the sum is 30.
The square root of 12392085 is about 3520.2393384541. The cubic root of 12392085 is about 231.4096477330.
The spelling of 12392085 in words is "twelve million, three hundred ninety-two thousand, eighty-five".
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