Base | Representation |
---|---|
bin | 1000001101001… |
… | …10001110011011 |
3 | 11210112100101122 |
4 | 10012212032123 |
5 | 120110311144 |
6 | 10455235455 |
7 | 1464054515 |
oct | 406461633 |
9 | 153470348 |
10 | 68838299 |
11 | 35948262 |
12 | 1b078b8b |
13 | 11352b2a |
14 | 91dcbb5 |
15 | 609b7ee |
hex | 41a639b |
68838299 has 8 divisors (see below), whose sum is σ = 69774432. Its totient is φ = 67907520.
The previous prime is 68838293. The next prime is 68838331. The reversal of 68838299 is 99283886.
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 68838299 - 216 = 68772763 is a prime.
It is a super-2 number, since 2×688382992 = 9477422818426802, which contains 22 as substring.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 68838299.
It is not an unprimeable number, because it can be changed into a prime (68838293) 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, 29039 + ... + 31319.
It is an arithmetic number, because the mean of its divisors is an integer number (8721804).
Almost surely, 268838299 is an apocalyptic number.
68838299 is a deficient number, since it is larger than the sum of its proper divisors (936133).
68838299 is a wasteful number, since it uses less digits than its factorization.
68838299 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2677.
The product of its digits is 1492992, while the sum is 53.
The square root of 68838299 is about 8296.8848973576. The cubic root of 68838299 is about 409.8359426913.
The spelling of 68838299 in words is "sixty-eight million, eight hundred thirty-eight thousand, two hundred ninety-nine".
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