Base | Representation |
---|---|
bin | 11110011010010… |
… | …01100000000110 |
3 | 122210000200022110 |
4 | 33031021200012 |
5 | 1010301330110 |
6 | 41151441450 |
7 | 6215233305 |
oct | 1715114006 |
9 | 583020273 |
10 | 255105030 |
11 | 121000204 |
12 | 71526286 |
13 | 40b0c22b |
14 | 25c4843c |
15 | 175e1a20 |
hex | f349806 |
255105030 has 16 divisors (see below), whose sum is σ = 612252144. Its totient is φ = 68028000.
The previous prime is 255105023. The next prime is 255105073. The reversal of 255105030 is 30501552.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 255104988 and 255105006.
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, 4251721 + ... + 4251780.
It is an arithmetic number, because the mean of its divisors is an integer number (38265759).
Almost surely, 2255105030 is an apocalyptic number.
255105030 is an abundant number, since it is smaller than the sum of its proper divisors (357147114).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
255105030 is a wasteful number, since it uses less digits than its factorization.
255105030 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8503511.
The product of its (nonzero) digits is 750, while the sum is 21.
The square root of 255105030 is about 15972.0077009749. The cubic root of 255105030 is about 634.2196212598.
Adding to 255105030 its reverse (30501552), we get a palindrome (285606582).
The spelling of 255105030 in words is "two hundred fifty-five million, one hundred five thousand, thirty".
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