Base | Representation |
---|---|
bin | 110101010010… |
… | …0000011110101 |
3 | 1221120020120100 |
4 | 1222210003311 |
5 | 24122404330 |
6 | 2434424313 |
7 | 456305022 |
oct | 152440365 |
9 | 57506510 |
10 | 27934965 |
11 | 1484aa53 |
12 | 9432099 |
13 | 5a31086 |
14 | 39d2549 |
15 | 26bc060 |
hex | 1aa40f5 |
27934965 has 12 divisors (see below), whose sum is σ = 48420684. Its totient is φ = 14898624.
The previous prime is 27934957. The next prime is 27935003. The reversal of 27934965 is 56943972.
It is a happy number.
It can be written as a sum of positive squares in 2 ways, for example, as 19131876 + 8803089 = 4374^2 + 2967^2 .
It is not a de Polignac number, because 27934965 - 23 = 27934957 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 620777 = 27934965 / (2 + 7 + 9 + 3 + 4 + 9 + 6 + 5).
It is a self number, because there is not a number n which added to its sum of digits gives 27934965.
It is a congruent number.
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, 310344 + ... + 310433.
It is an arithmetic number, because the mean of its divisors is an integer number (4035057).
Almost surely, 227934965 is an apocalyptic number.
It is an amenable number.
27934965 is a deficient number, since it is larger than the sum of its proper divisors (20485719).
27934965 is a wasteful number, since it uses less digits than its factorization.
27934965 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 620788 (or 620785 counting only the distinct ones).
The product of its digits is 408240, while the sum is 45.
The square root of 27934965 is about 5285.3538197551. The cubic root of 27934965 is about 303.4236142601.
The spelling of 27934965 in words is "twenty-seven million, nine hundred thirty-four thousand, nine hundred sixty-five".
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