Base | Representation |
---|---|
bin | 1000001101111… |
… | …11011001001000 |
3 | 11210201120210121 |
4 | 10012333121020 |
5 | 120122111014 |
6 | 10501353024 |
7 | 1464664201 |
oct | 406773110 |
9 | 153646717 |
10 | 68941384 |
11 | 35a08756 |
12 | 1b108774 |
13 | 1138aa25 |
14 | 92285a8 |
15 | 60bc124 |
hex | 41bf648 |
68941384 has 32 divisors (see below), whose sum is σ = 133578720. Its totient is φ = 33336576.
The previous prime is 68941351. The next prime is 68941391. The reversal of 68941384 is 48314986.
It is a super-3 number, since 3×689413843 (a number of 24 digits) contains 333 as substring.
It is a Harshad number since it is a multiple of its sum of digits (43).
It is a self number, because there is not a number n which added to its sum of digits gives 68941384.
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 7 ways as a sum of consecutive naturals, for example, 35872 + ... + 37744.
It is an arithmetic number, because the mean of its divisors is an integer number (4174335).
Almost surely, 268941384 is an apocalyptic number.
It is an amenable number.
68941384 is a deficient number, since it is larger than the sum of its proper divisors (64637336).
68941384 is a wasteful number, since it uses less digits than its factorization.
68941384 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2029 (or 2025 counting only the distinct ones).
The product of its digits is 165888, while the sum is 43.
The square root of 68941384 is about 8303.0948446950. The cubic root of 68941384 is about 410.0404164004.
The spelling of 68941384 in words is "sixty-eight million, nine hundred forty-one thousand, three hundred eighty-four".
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