Base | Representation |
---|---|
bin | 110100010110… |
… | …1101101000100 |
3 | 1220122121120100 |
4 | 1220231231010 |
5 | 24011401210 |
6 | 2420204100 |
7 | 452215452 |
oct | 150555504 |
9 | 56577510 |
10 | 27450180 |
11 | 145497aa |
12 | 9239630 |
13 | 58c1514 |
14 | 39079d2 |
15 | 26235c0 |
hex | 1a2db44 |
27450180 has 36 divisors (see below), whose sum is σ = 83266092. Its totient is φ = 7320000.
The previous prime is 27450169. The next prime is 27450251. The reversal of 27450180 is 8105472.
It can be written as a sum of positive squares in 2 ways, for example, as 6874884 + 20575296 = 2622^2 + 4536^2 .
It is a tau number, because it is divible by the number of its divisors (36).
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, 76071 + ... + 76430.
It is an arithmetic number, because the mean of its divisors is an integer number (2312947).
Almost surely, 227450180 is an apocalyptic number.
27450180 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
27450180 is an abundant number, since it is smaller than the sum of its proper divisors (55815912).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
27450180 is a wasteful number, since it uses less digits than its factorization.
27450180 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 152516 (or 152511 counting only the distinct ones).
The product of its (nonzero) digits is 2240, while the sum is 27.
The square root of 27450180 is about 5239.2919368938. The cubic root of 27450180 is about 301.6581515594.
The spelling of 27450180 in words is "twenty-seven million, four hundred fifty thousand, one hundred eighty".
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