Base | Representation |
---|---|
bin | 1001100011110… |
… | …01110101110110 |
3 | 12120220010011001 |
4 | 10301321311312 |
5 | 131012101323 |
6 | 11542433514 |
7 | 1662416350 |
oct | 461716566 |
9 | 176803131 |
10 | 80190838 |
11 | 412a1622 |
12 | 22a3289a |
13 | 137c9200 |
14 | a9160d0 |
15 | 70903ad |
hex | 4c79d76 |
80190838 has 24 divisors (see below), whose sum is σ = 148862448. Its totient is φ = 31722912.
The previous prime is 80190833. The next prime is 80190839. The reversal of 80190838 is 83809108.
It is a junction number, because it is equal to n+sod(n) for n = 80190797 and 80190806.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (80190833) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14581 + ... + 19312.
It is an arithmetic number, because the mean of its divisors is an integer number (6202602).
Almost surely, 280190838 is an apocalyptic number.
80190838 is a deficient number, since it is larger than the sum of its proper divisors (68671610).
80190838 is a wasteful number, since it uses less digits than its factorization.
80190838 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 33928 (or 33915 counting only the distinct ones).
The product of its (nonzero) digits is 13824, while the sum is 37.
The square root of 80190838 is about 8954.9337239312. The cubic root of 80190838 is about 431.2292892665.
The spelling of 80190838 in words is "eighty million, one hundred ninety thousand, eight hundred thirty-eight".
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