Base | Representation |
---|---|
bin | 1000001010101… |
… | …10001001000011 |
3 | 11202220200102121 |
4 | 10011112021003 |
5 | 120014312100 |
6 | 10444225111 |
7 | 1461220261 |
oct | 405261103 |
9 | 152820377 |
10 | 68510275 |
11 | 35743869 |
12 | 1ab3b197 |
13 | 11269732 |
14 | 9155431 |
15 | 603451a |
hex | 4156243 |
68510275 has 24 divisors (see below), whose sum is σ = 86963184. Its totient is φ = 53529600.
The previous prime is 68510237. The next prime is 68510287. The reversal of 68510275 is 57201586.
It is not a de Polignac number, because 68510275 - 27 = 68510147 is a prime.
It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 68510275.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 284155 + ... + 284395.
It is an arithmetic number, because the mean of its divisors is an integer number (3623466).
Almost surely, 268510275 is an apocalyptic number.
68510275 is a deficient number, since it is larger than the sum of its proper divisors (18452909).
68510275 is a wasteful number, since it uses less digits than its factorization.
68510275 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 471 (or 466 counting only the distinct ones).
The product of its (nonzero) digits is 16800, while the sum is 34.
The square root of 68510275 is about 8277.0933907985. The cubic root of 68510275 is about 409.1839309976.
The spelling of 68510275 in words is "sixty-eight million, five hundred ten thousand, two hundred seventy-five".
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