Base | Representation |
---|---|
bin | 110011101011… |
… | …000101100100 |
3 | 221111012101100 |
4 | 303223011210 |
5 | 11431431303 |
6 | 1202200100 |
7 | 223065132 |
oct | 63530544 |
9 | 27435340 |
10 | 13545828 |
11 | 77121aa |
12 | 4653030 |
13 | 2a637aa |
14 | 1b28752 |
15 | 12c88a3 |
hex | ceb164 |
13545828 has 36 divisors (see below), whose sum is σ = 34499920. Its totient is φ = 4481136.
The previous prime is 13545799. The next prime is 13545907. The reversal of 13545828 is 82854531.
It is a happy number.
13545828 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.
It is a tau number, because it is divible by the number of its divisors (36).
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a junction number, because it is equal to n+sod(n) for n = 13545792 and 13545801.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3651 + ... + 6357.
Almost surely, 213545828 is an apocalyptic number.
13545828 is a gapful number since it is divisible by the number (18) formed by its first and last digit.
It is an amenable number.
13545828 is an abundant number, since it is smaller than the sum of its proper divisors (20954092).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13545828 is a wasteful number, since it uses less digits than its factorization.
13545828 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2856 (or 2851 counting only the distinct ones).
The product of its digits is 38400, while the sum is 36.
The square root of 13545828 is about 3680.4657313987. The cubic root of 13545828 is about 238.3792883603.
The spelling of 13545828 in words is "thirteen million, five hundred forty-five thousand, eight hundred twenty-eight".
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