Base | Representation |
---|---|
bin | 1000001001111… |
… | …01001000011011 |
3 | 11202201110220112 |
4 | 10010331020123 |
5 | 120003022320 |
6 | 10442114535 |
7 | 1460312516 |
oct | 404751033 |
9 | 152643815 |
10 | 68407835 |
11 | 35683901 |
12 | 1aaaba4b |
13 | 11231c12 |
14 | 9129d7d |
15 | 6013ec5 |
hex | 413d21b |
68407835 has 8 divisors (see below), whose sum is σ = 82157136. Its totient is φ = 54681120.
The previous prime is 68407831. The next prime is 68407849. The reversal of 68407835 is 53870486.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 68407835 - 22 = 68407831 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 68407792 and 68407801.
It is not an unprimeable number, because it can be changed into a prime (68407831) 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, 1952 + ... + 11858.
It is an arithmetic number, because the mean of its divisors is an integer number (10269642).
Almost surely, 268407835 is an apocalyptic number.
68407835 is a deficient number, since it is larger than the sum of its proper divisors (13749301).
68407835 is a wasteful number, since it uses less digits than its factorization.
68407835 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11293.
The product of its (nonzero) digits is 161280, while the sum is 41.
The square root of 68407835 is about 8270.9029132254. The cubic root of 68407835 is about 408.9798851504.
The spelling of 68407835 in words is "sixty-eight million, four hundred seven thousand, eight hundred thirty-five".
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