Base | Representation |
---|---|
bin | 1000001001010… |
… | …01100010010000 |
3 | 11202120101210200 |
4 | 10010221202100 |
5 | 114442440233 |
6 | 10440255200 |
7 | 1456526511 |
oct | 404514220 |
9 | 152511720 |
10 | 68327568 |
11 | 35629571 |
12 | 1aa71500 |
13 | 1120451a |
14 | 9108a08 |
15 | 5eea313 |
hex | 4129890 |
68327568 has 30 divisors (see below), whose sum is σ = 191222694. Its totient is φ = 22775808.
The previous prime is 68327551. The next prime is 68327599. The reversal of 68327568 is 86572386.
68327568 is a `hidden beast` number, since 6 + 83 + 2 + 7 + 568 = 666.
It can be written as a sum of positive squares in only one way, i.e., 66389904 + 1937664 = 8148^2 + 1392^2 .
It is an unprimeable number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 237105 + ... + 237392.
Almost surely, 268327568 is an apocalyptic number.
It is an amenable number.
68327568 is an abundant number, since it is smaller than the sum of its proper divisors (122895126).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68327568 is a wasteful number, since it uses less digits than its factorization.
68327568 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 474511 (or 474502 counting only the distinct ones).
The product of its digits is 483840, while the sum is 45.
The square root of 68327568 is about 8266.0491167183. The cubic root of 68327568 is about 408.8198623678.
It can be divided in two parts, 6832 and 7568, that added together give a square (14400 = 1202).
The spelling of 68327568 in words is "sixty-eight million, three hundred twenty-seven thousand, five hundred sixty-eight".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.074 sec. • engine limits •