Base | Representation |
---|---|
bin | 1000001011001… |
… | …10011011011010 |
3 | 11210001001221101 |
4 | 10011212123122 |
5 | 120023430421 |
6 | 10445502014 |
7 | 1461615622 |
oct | 405463332 |
9 | 153031841 |
10 | 68576986 |
11 | 357899a5 |
12 | 1ab7190a |
13 | 11290bca |
14 | 9171882 |
15 | 6049191 |
hex | 41666da |
68576986 has 8 divisors (see below), whose sum is σ = 103125780. Its totient is φ = 34201728.
The previous prime is 68576951. The next prime is 68577001. The reversal of 68576986 is 68967586.
It is a happy number.
It can be written as a sum of positive squares in 2 ways, for example, as 68574961 + 2025 = 8281^2 + 45^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is an unprimeable number.
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 3 ways as a sum of consecutive naturals, for example, 42391 + ... + 43978.
Almost surely, 268576986 is an apocalyptic number.
68576986 is a deficient number, since it is larger than the sum of its proper divisors (34548794).
68576986 is a wasteful number, since it uses less digits than its factorization.
68576986 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 86768.
The product of its digits is 4354560, while the sum is 55.
The square root of 68576986 is about 8281.1222669394. The cubic root of 68576986 is about 409.3167004445.
The spelling of 68576986 in words is "sixty-eight million, five hundred seventy-six thousand, nine hundred eighty-six".
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