Base | Representation |
---|---|
bin | 101110001101… |
… | …111000011101 |
3 | 211210112022200 |
4 | 232031320131 |
5 | 11100143420 |
6 | 1111402113 |
7 | 204660054 |
oct | 56157035 |
9 | 24715280 |
10 | 12115485 |
11 | 69255a8 |
12 | 4083339 |
13 | 2682735 |
14 | 187539b |
15 | 10e4b90 |
hex | b8de1d |
12115485 has 24 divisors (see below), whose sum is σ = 21151104. Its totient is φ = 6415200.
The previous prime is 12115471. The next prime is 12115501. The reversal of 12115485 is 58451121.
It is not a de Polignac number, because 12115485 - 26 = 12115421 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5904 + ... + 7686.
It is an arithmetic number, because the mean of its divisors is an integer number (881296).
Almost surely, 212115485 is an apocalyptic number.
12115485 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
12115485 is a deficient number, since it is larger than the sum of its proper divisors (9035619).
12115485 is a wasteful number, since it uses less digits than its factorization.
12115485 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1945 (or 1942 counting only the distinct ones).
The product of its digits is 1600, while the sum is 27.
The square root of 12115485 is about 3480.7305267716. The cubic root of 12115485 is about 229.6749346173.
The spelling of 12115485 in words is "twelve million, one hundred fifteen thousand, four hundred eighty-five".
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