Base | Representation |
---|---|
bin | 1000001011010… |
… | …01000101101110 |
3 | 11210001121220002 |
4 | 10011221011232 |
5 | 120024303021 |
6 | 10450024302 |
7 | 1461662453 |
oct | 405510556 |
9 | 153047802 |
10 | 68587886 |
11 | 35797104 |
12 | 1ab78092 |
13 | 11295b63 |
14 | 917582a |
15 | 604c50b |
hex | 416916e |
68587886 has 8 divisors (see below), whose sum is σ = 107355024. Its totient is φ = 32802880.
The previous prime is 68587873. The next prime is 68587889. The reversal of 68587886 is 68878586.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (68587889) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 745475 + ... + 745566.
It is an arithmetic number, because the mean of its divisors is an integer number (13419378).
Almost surely, 268587886 is an apocalyptic number.
68587886 is a deficient number, since it is larger than the sum of its proper divisors (38767138).
68587886 is a wasteful number, since it uses less digits than its factorization.
68587886 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1491066.
The product of its digits is 5160960, while the sum is 56.
The square root of 68587886 is about 8281.7803641488. The cubic root of 68587886 is about 409.3383856382.
The spelling of 68587886 in words is "sixty-eight million, five hundred eighty-seven thousand, eight hundred eighty-six".
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