Base | Representation |
---|---|
bin | 110100101111… |
… | …0010000111101 |
3 | 1221000201102012 |
4 | 1221132100331 |
5 | 24034232320 |
6 | 2424341005 |
7 | 454004402 |
oct | 151362075 |
9 | 57021365 |
10 | 27649085 |
11 | 14675192 |
12 | 9314765 |
13 | 5960c09 |
14 | 395a2a9 |
15 | 26624c5 |
hex | 1a5e43d |
27649085 has 8 divisors (see below), whose sum is σ = 34925280. Its totient is φ = 20955024.
The previous prime is 27649079. The next prime is 27649087. The reversal of 27649085 is 58094672.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 27649085 - 218 = 27386941 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (27649087) 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, 145427 + ... + 145616.
It is an arithmetic number, because the mean of its divisors is an integer number (4365660).
Almost surely, 227649085 is an apocalyptic number.
It is an amenable number.
27649085 is a deficient number, since it is larger than the sum of its proper divisors (7276195).
27649085 is a wasteful number, since it uses less digits than its factorization.
27649085 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 291067.
The product of its (nonzero) digits is 120960, while the sum is 41.
The square root of 27649085 is about 5258.2397244705. The cubic root of 27649085 is about 302.3850074043.
The spelling of 27649085 in words is "twenty-seven million, six hundred forty-nine thousand, eighty-five".
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