Base | Representation |
---|---|
bin | 1000001100001… |
… | …00010001100101 |
3 | 11210021021122012 |
4 | 10012010101211 |
5 | 120041333422 |
6 | 10452244005 |
7 | 1462635215 |
oct | 406042145 |
9 | 153237565 |
10 | 68699237 |
11 | 35862832 |
12 | 1b010605 |
13 | 11304749 |
14 | 91a4245 |
15 | 60704e2 |
hex | 4184465 |
68699237 has 8 divisors (see below), whose sum is σ = 69995520. Its totient is φ = 67408560.
The previous prime is 68699233. The next prime is 68699263. The reversal of 68699237 is 73299686.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 68699237 - 22 = 68699233 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 (68699233) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29564 + ... + 31802.
It is an arithmetic number, because the mean of its divisors is an integer number (8749440).
Almost surely, 268699237 is an apocalyptic number.
It is an amenable number.
68699237 is a deficient number, since it is larger than the sum of its proper divisors (1296283).
68699237 is a wasteful number, since it uses less digits than its factorization.
68699237 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2803.
The product of its digits is 979776, while the sum is 50.
The square root of 68699237 is about 8288.5002865416. The cubic root of 68699237 is about 409.5597833090.
The spelling of 68699237 in words is "sixty-eight million, six hundred ninety-nine thousand, two hundred thirty-seven".
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