Base | Representation |
---|---|
bin | 1000000111011… |
… | …11010011100010 |
3 | 11202010021121222 |
4 | 10003233103202 |
5 | 114412322213 |
6 | 10431215042 |
7 | 1454514242 |
oct | 403572342 |
9 | 152107558 |
10 | 68089058 |
11 | 35486354 |
12 | 1a977482 |
13 | 1114caab |
14 | 9085b22 |
15 | 5e9e808 |
hex | 40ef4e2 |
68089058 has 8 divisors (see below), whose sum is σ = 102220380. Its totient is φ = 34015600.
The previous prime is 68089057. The next prime is 68089061. The reversal of 68089058 is 85098086.
It can be written as a sum of positive squares in 2 ways, for example, as 62362609 + 5726449 = 7897^2 + 2393^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a super-2 number, since 2×680890582 = 9272239638654728, which contains 22 as substring.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (68089057) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11393 + ... + 16308.
Almost surely, 268089058 is an apocalyptic number.
68089058 is a deficient number, since it is larger than the sum of its proper divisors (34131322).
68089058 is a wasteful number, since it uses less digits than its factorization.
68089058 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 28932.
The product of its (nonzero) digits is 138240, while the sum is 44.
The square root of 68089058 is about 8251.6094187740. The cubic root of 68089058 is about 408.3436207136.
Subtracting 68089058 from its reverse (85098086), we obtain a triangular number (17009028 = T5832).
The spelling of 68089058 in words is "sixty-eight million, eighty-nine thousand, fifty-eight".
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