Base | Representation |
---|---|
bin | 110011101101… |
… | …0100110001000 |
3 | 1220000022121111 |
4 | 1213122212020 |
5 | 23420003033 |
6 | 2405020104 |
7 | 446300140 |
oct | 147324610 |
9 | 56008544 |
10 | 27109768 |
11 | 14336a74 |
12 | 90b4634 |
13 | 58025aa |
14 | 3859920 |
15 | 25a77cd |
hex | 19da988 |
27109768 has 32 divisors (see below), whose sum is σ = 58262400. Its totient is φ = 11584512.
The previous prime is 27109763. The next prime is 27109787. The reversal of 27109768 is 86790172.
It is a self number, because there is not a number n which added to its sum of digits gives 27109768.
It is not an unprimeable number, because it can be changed into a prime (27109763) 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, 31893 + ... + 32731.
It is an arithmetic number, because the mean of its divisors is an integer number (1820700).
Almost surely, 227109768 is an apocalyptic number.
27109768 is a gapful number since it is divisible by the number (28) formed by its first and last digit.
It is an amenable number.
27109768 is an abundant number, since it is smaller than the sum of its proper divisors (31152632).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
27109768 is a wasteful number, since it uses less digits than its factorization.
27109768 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1429 (or 1425 counting only the distinct ones).
The product of its (nonzero) digits is 42336, while the sum is 40.
The square root of 27109768 is about 5206.7041398566. The cubic root of 27109768 is about 300.4059984511.
The spelling of 27109768 in words is "twenty-seven million, one hundred nine thousand, seven hundred sixty-eight".
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