Base | Representation |
---|---|
bin | 110011101111… |
… | …0010100001101 |
3 | 1220001002111211 |
4 | 1213132110031 |
5 | 23421000010 |
6 | 2405214421 |
7 | 446362435 |
oct | 147362415 |
9 | 56032454 |
10 | 27125005 |
11 | 14347466 |
12 | 9101411 |
13 | 58094cb |
14 | 38612c5 |
15 | 25ac08a |
hex | 19de50d |
27125005 has 8 divisors (see below), whose sum is σ = 33672600. Its totient is φ = 20951616.
The previous prime is 27124997. The next prime is 27125023. The reversal of 27125005 is 50052172.
It can be written as a sum of positive squares in 4 ways, for example, as 2064969 + 25060036 = 1437^2 + 5006^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 27125005 - 23 = 27124997 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 93390 + ... + 93679.
It is an arithmetic number, because the mean of its divisors is an integer number (4209075).
Almost surely, 227125005 is an apocalyptic number.
It is an amenable number.
27125005 is a deficient number, since it is larger than the sum of its proper divisors (6547595).
27125005 is a wasteful number, since it uses less digits than its factorization.
27125005 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 187103.
The product of its (nonzero) digits is 700, while the sum is 22.
The square root of 27125005 is about 5208.1671440153. The cubic root of 27125005 is about 300.4622688074.
Adding to 27125005 its reverse (50052172), we get a palindrome (77177177).
The spelling of 27125005 in words is "twenty-seven million, one hundred twenty-five thousand, five".
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