Base | Representation |
---|---|
bin | 1000001101011… |
… | …11010010010111 |
3 | 11210121020022022 |
4 | 10012233102113 |
5 | 120113003130 |
6 | 10500123355 |
7 | 1464300650 |
oct | 406572227 |
9 | 153536268 |
10 | 68875415 |
11 | 35973134 |
12 | 1b09655b |
13 | 113669ab |
14 | 920c527 |
15 | 60a77e5 |
hex | 41af497 |
68875415 has 16 divisors (see below), whose sum is σ = 100014912. Its totient is φ = 44450304.
The previous prime is 68875403. The next prime is 68875423. The reversal of 68875415 is 51457886.
It is a happy number.
It is a cyclic number.
It is not a de Polignac number, because 68875415 - 218 = 68613271 is a prime.
It is a Duffinian number.
It is a plaindrome in base 13.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57284 + ... + 58473.
It is an arithmetic number, because the mean of its divisors is an integer number (6250932).
Almost surely, 268875415 is an apocalyptic number.
68875415 is a deficient number, since it is larger than the sum of its proper divisors (31139497).
68875415 is a wasteful number, since it uses less digits than its factorization.
68875415 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 115786.
The product of its digits is 268800, while the sum is 44.
The square root of 68875415 is about 8299.1213390334. The cubic root of 68875415 is about 409.9095874404.
The spelling of 68875415 in words is "sixty-eight million, eight hundred seventy-five thousand, four hundred fifteen".
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