Base | Representation |
---|---|
bin | 1001100101010… |
… | …00100010111010 |
3 | 12121020211120020 |
4 | 10302220202322 |
5 | 131034212023 |
6 | 11550511310 |
7 | 1664144154 |
oct | 462504272 |
9 | 177224506 |
10 | 80382138 |
11 | 41412321 |
12 | 22b05536 |
13 | 138652c5 |
14 | a965ad4 |
15 | 70cbde3 |
hex | 4ca88ba |
80382138 has 16 divisors (see below), whose sum is σ = 161528736. Its totient is φ = 26666640.
The previous prime is 80382119. The next prime is 80382149. The reversal of 80382138 is 83128308.
It is a super-2 number, since 2×803821382 = 12922576218902088, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 80382099 and 80382108.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30481 + ... + 33012.
It is an arithmetic number, because the mean of its divisors is an integer number (10095546).
Almost surely, 280382138 is an apocalyptic number.
80382138 is an abundant number, since it is smaller than the sum of its proper divisors (81146598).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
80382138 is a wasteful number, since it uses less digits than its factorization.
80382138 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 63709.
The product of its (nonzero) digits is 9216, while the sum is 33.
The square root of 80382138 is about 8965.6086240701. The cubic root of 80382138 is about 431.5719246334.
The spelling of 80382138 in words is "eighty million, three hundred eighty-two thousand, one hundred thirty-eight".
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