Base | Representation |
---|---|
bin | 110011110001… |
… | …1001101001110 |
3 | 1220002002222210 |
4 | 1213203031032 |
5 | 23422120123 |
6 | 2405451250 |
7 | 446505024 |
oct | 147431516 |
9 | 56062883 |
10 | 27145038 |
11 | 14360518 |
12 | 9110b26 |
13 | 581566b |
14 | 3868714 |
15 | 25b2e93 |
hex | 19e334e |
27145038 has 16 divisors (see below), whose sum is σ = 55445760. Its totient is φ = 8855736.
The previous prime is 27145031. The next prime is 27145049. The reversal of 27145038 is 83054172.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 27144996 and 27145014.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (27145031) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47848 + ... + 48411.
It is an arithmetic number, because the mean of its divisors is an integer number (3465360).
Almost surely, 227145038 is an apocalyptic number.
27145038 is an abundant number, since it is smaller than the sum of its proper divisors (28300722).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
27145038 is a wasteful number, since it uses less digits than its factorization.
27145038 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 96311.
The product of its (nonzero) digits is 6720, while the sum is 30.
The square root of 27145038 is about 5210.0900184162. The cubic root of 27145038 is about 300.5362187715.
The spelling of 27145038 in words is "twenty-seven million, one hundred forty-five thousand, thirty-eight".
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