Base | Representation |
---|---|
bin | 1000000111011… |
… | …11000011100101 |
3 | 11202010020020011 |
4 | 10003233003211 |
5 | 114412304122 |
6 | 10431210221 |
7 | 1454511253 |
oct | 403570345 |
9 | 152106204 |
10 | 68088037 |
11 | 35485606 |
12 | 1a976971 |
13 | 1114c4a4 |
14 | 90855d3 |
15 | 5e9e377 |
hex | 40ef0e5 |
68088037 has 8 divisors (see below), whose sum is σ = 69090840. Its totient is φ = 67092480.
The previous prime is 68088019. The next prime is 68088067. The reversal of 68088037 is 73088086.
It can be written as a sum of positive squares in 4 ways, for example, as 7107556 + 60980481 = 2666^2 + 7809^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-68088037 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (68088067) 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 7 ways as a sum of consecutive naturals, for example, 18789 + ... + 22117.
It is an arithmetic number, because the mean of its divisors is an integer number (8636355).
Almost surely, 268088037 is an apocalyptic number.
It is an amenable number.
68088037 is a deficient number, since it is larger than the sum of its proper divisors (1002803).
68088037 is a wasteful number, since it uses less digits than its factorization.
68088037 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3623.
The product of its (nonzero) digits is 64512, while the sum is 40.
The square root of 68088037 is about 8251.5475518232. The cubic root of 68088037 is about 408.3415796567.
The spelling of 68088037 in words is "sixty-eight million, eighty-eight thousand, thirty-seven".
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