Base | Representation |
---|---|
bin | 1000001101100… |
… | …10100000011001 |
3 | 11210121220101200 |
4 | 10012302200121 |
5 | 120113413401 |
6 | 10500304413 |
7 | 1464354255 |
oct | 406624031 |
9 | 153556350 |
10 | 68888601 |
11 | 35982031 |
12 | 1b0a2109 |
13 | 1136c9b2 |
14 | 9213265 |
15 | 60ab686 |
hex | 41b2819 |
68888601 has 12 divisors (see below), whose sum is σ = 102937380. Its totient is φ = 44341920.
The previous prime is 68888597. The next prime is 68888621. The reversal of 68888601 is 10688886.
It is a happy number.
It can be written as a sum of positive squares in 2 ways, for example, as 26625600 + 42263001 = 5160^2 + 6501^2 .
It is not a de Polignac number, because 68888601 - 22 = 68888597 is a prime.
It is not an unprimeable number, because it can be changed into a prime (68888621) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 131710 + ... + 132231.
It is an arithmetic number, because the mean of its divisors is an integer number (8578115).
Almost surely, 268888601 is an apocalyptic number.
It is an amenable number.
68888601 is a deficient number, since it is larger than the sum of its proper divisors (34048779).
68888601 is a wasteful number, since it uses less digits than its factorization.
68888601 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 263976 (or 263973 counting only the distinct ones).
The product of its (nonzero) digits is 147456, while the sum is 45.
The square root of 68888601 is about 8299.9157224637. The cubic root of 68888601 is about 409.9357444415.
The spelling of 68888601 in words is "sixty-eight million, eight hundred eighty-eight thousand, six hundred one".
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