Base | Representation |
---|---|
bin | 101111101000… |
… | …101111001100 |
3 | 212111102210202 |
4 | 233220233030 |
5 | 11144101003 |
6 | 1123353032 |
7 | 211100036 |
oct | 57505714 |
9 | 25442722 |
10 | 12487628 |
11 | 705a15a |
12 | 4222778 |
13 | 2782c3a |
14 | 1930c56 |
15 | 116a088 |
hex | be8bcc |
12487628 has 12 divisors (see below), whose sum is σ = 21887712. Its totient is φ = 6234000.
The previous prime is 12487627. The next prime is 12487691. The reversal of 12487628 is 82678421.
It is a junction number, because it is equal to n+sod(n) for n = 12487591 and 12487600.
It is not an unprimeable number, because it can be changed into a prime (12487627) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 926 + ... + 5082.
It is an arithmetic number, because the mean of its divisors is an integer number (1823976).
Almost surely, 212487628 is an apocalyptic number.
It is an amenable number.
12487628 is a deficient number, since it is larger than the sum of its proper divisors (9400084).
12487628 is a wasteful number, since it uses less digits than its factorization.
12487628 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4912 (or 4910 counting only the distinct ones).
The product of its digits is 43008, while the sum is 38.
The square root of 12487628 is about 3533.7838077619. The cubic root of 12487628 is about 232.0028487561.
The spelling of 12487628 in words is "twelve million, four hundred eighty-seven thousand, six hundred twenty-eight".
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