Base | Representation |
---|---|
bin | 10000011111010… |
… | …10110101111110 |
3 | 100122021122202000 |
4 | 20033222311332 |
5 | 240402402444 |
6 | 21420443130 |
7 | 3266513655 |
oct | 1017526576 |
9 | 318248660 |
10 | 138325374 |
11 | 710989a0 |
12 | 3a3a94a6 |
13 | 22872045 |
14 | 1452a19c |
15 | c225469 |
hex | 83ead7e |
138325374 has 32 divisors (see below), whose sum is σ = 335335680. Its totient is φ = 41916600.
The previous prime is 138325373. The next prime is 138325387. The reversal of 138325374 is 473523831.
It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (138325373) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 115842 + ... + 117029.
It is an arithmetic number, because the mean of its divisors is an integer number (10479240).
Almost surely, 2138325374 is an apocalyptic number.
138325374 is an abundant number, since it is smaller than the sum of its proper divisors (197010306).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
138325374 is a wasteful number, since it uses less digits than its factorization.
138325374 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 232893 (or 232887 counting only the distinct ones).
The product of its digits is 60480, while the sum is 36.
The square root of 138325374 is about 11761.1808080651. The cubic root of 138325374 is about 517.1707462419.
The spelling of 138325374 in words is "one hundred thirty-eight million, three hundred twenty-five thousand, three hundred seventy-four".
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