Base | Representation |
---|---|
bin | 10000100001010… |
… | …01001101000100 |
3 | 100122202122010101 |
4 | 20100221031010 |
5 | 240434041204 |
6 | 21430133444 |
7 | 3301626445 |
oct | 1020511504 |
9 | 318678111 |
10 | 138580804 |
11 | 7125289a |
12 | 3a4b1284 |
13 | 2293139b |
14 | 145952cc |
15 | c275ea4 |
hex | 8429344 |
138580804 has 24 divisors (see below), whose sum is σ = 257886720. Its totient is φ = 64934016.
The previous prime is 138580801. The next prime is 138580831. The reversal of 138580804 is 408085831.
138580804 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a super-5 number, since 5×1385808045 (a number of 42 digits) contains 55555 as substring.
It is not an unprimeable number, because it can be changed into a prime (138580801) 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, 11989 + ... + 20515.
It is an arithmetic number, because the mean of its divisors is an integer number (10745280).
Almost surely, 2138580804 is an apocalyptic number.
It is an amenable number.
138580804 is a deficient number, since it is larger than the sum of its proper divisors (119305916).
138580804 is a wasteful number, since it uses less digits than its factorization.
138580804 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8787 (or 8785 counting only the distinct ones).
The product of its (nonzero) digits is 30720, while the sum is 37.
The square root of 138580804 is about 11772.0348283549. The cubic root of 138580804 is about 517.4888842937.
The spelling of 138580804 in words is "one hundred thirty-eight million, five hundred eighty thousand, eight hundred four".
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