Base | Representation |
---|---|
bin | 110110000111… |
… | …1101010001111 |
3 | 1222101122010200 |
4 | 1230033222033 |
5 | 24231010240 |
6 | 2452104543 |
7 | 463121655 |
oct | 154175217 |
9 | 58348120 |
10 | 28375695 |
11 | 15021097 |
12 | 9605153 |
13 | 5b5686a |
14 | 3aa8dd5 |
15 | 2757930 |
hex | 1b0fa8f |
28375695 has 24 divisors (see below), whose sum is σ = 50773632. Its totient is φ = 14644800.
The previous prime is 28375693. The next prime is 28375727. The reversal of 28375695 is 59657382.
It is a happy number.
28375695 is a `hidden beast` number, since 2 + 83 + 7 + 569 + 5 = 666.
It is not a de Polignac number, because 28375695 - 21 = 28375693 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is a self number, because there is not a number n which added to its sum of digits gives 28375695.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (28375691) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8776 + ... + 11565.
It is an arithmetic number, because the mean of its divisors is an integer number (2115568).
Almost surely, 228375695 is an apocalyptic number.
28375695 is a deficient number, since it is larger than the sum of its proper divisors (22397937).
28375695 is a wasteful number, since it uses less digits than its factorization.
28375695 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 20383 (or 20380 counting only the distinct ones).
The product of its digits is 453600, while the sum is 45.
The square root of 28375695 is about 5326.8841736985. The cubic root of 28375695 is about 305.0110002303.
The spelling of 28375695 in words is "twenty-eight million, three hundred seventy-five thousand, six hundred ninety-five".
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