Base | Representation |
---|---|
bin | 1000001010001… |
… | …00100010011110 |
3 | 11202210000112012 |
4 | 10011010202132 |
5 | 120010010144 |
6 | 10442511222 |
7 | 1460500130 |
oct | 405044236 |
9 | 152700465 |
10 | 68438174 |
11 | 356a4682 |
12 | 1ab05512 |
13 | 1124297c |
14 | 9137050 |
15 | 601ce9e |
hex | 414489e |
68438174 has 16 divisors (see below), whose sum is σ = 118809600. Its totient is φ = 28958904.
The previous prime is 68438159. The next prime is 68438177. The reversal of 68438174 is 47183486.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (68438177) 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, 29834 + ... + 32045.
It is an arithmetic number, because the mean of its divisors is an integer number (7425600).
Almost surely, 268438174 is an apocalyptic number.
68438174 is a deficient number, since it is larger than the sum of its proper divisors (50371426).
68438174 is a wasteful number, since it uses less digits than its factorization.
68438174 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 61967.
The product of its digits is 129024, while the sum is 41.
The square root of 68438174 is about 8272.7367902043. The cubic root of 68438174 is about 409.0403373236.
The spelling of 68438174 in words is "sixty-eight million, four hundred thirty-eight thousand, one hundred seventy-four".
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