Base | Representation |
---|---|
bin | 1001100101100… |
… | …10110011001010 |
3 | 12121022222011210 |
4 | 10302302303022 |
5 | 131042033023 |
6 | 11551433550 |
7 | 1664410464 |
oct | 462626312 |
9 | 177288153 |
10 | 80424138 |
11 | 41440933 |
12 | 22b258b6 |
13 | 1387b462 |
14 | a977134 |
15 | 70d9593 |
hex | 4cb2cca |
80424138 has 16 divisors (see below), whose sum is σ = 162656640. Its totient is φ = 26506656.
The previous prime is 80424119. The next prime is 80424143. The reversal of 80424138 is 83142408.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74770 + ... + 75837.
It is an arithmetic number, because the mean of its divisors is an integer number (10166040).
Almost surely, 280424138 is an apocalyptic number.
80424138 is an abundant number, since it is smaller than the sum of its proper divisors (82232502).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
80424138 is a wasteful number, since it uses less digits than its factorization.
80424138 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 150701.
The product of its (nonzero) digits is 6144, while the sum is 30.
The square root of 80424138 is about 8967.9506020049. The cubic root of 80424138 is about 431.6470775850.
It can be divided in two parts, 804 and 24138, that added together give a palindrome (24942).
The spelling of 80424138 in words is "eighty million, four hundred twenty-four thousand, one hundred thirty-eight".
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