Base | Representation |
---|---|
bin | 1001100101101… |
… | …01100000100110 |
3 | 12121100112101220 |
4 | 10302311200212 |
5 | 131042411423 |
6 | 11552001210 |
7 | 1664455032 |
oct | 462654046 |
9 | 177315356 |
10 | 80435238 |
11 | 41449204 |
12 | 22b30206 |
13 | 13883520 |
14 | a97b1c2 |
15 | 70dc9e3 |
hex | 4cb5826 |
80435238 has 32 divisors (see below), whose sum is σ = 176522976. Its totient is φ = 24281088.
The previous prime is 80435237. The next prime is 80435273. The reversal of 80435238 is 83253408.
It is a junction number, because it is equal to n+sod(n) for n = 80435199 and 80435208.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (80435237) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5595 + ... + 13862.
It is an arithmetic number, because the mean of its divisors is an integer number (5516343).
Almost surely, 280435238 is an apocalyptic number.
80435238 is an abundant number, since it is smaller than the sum of its proper divisors (96087738).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
80435238 is a wasteful number, since it uses less digits than its factorization.
80435238 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 19528.
The product of its (nonzero) digits is 23040, while the sum is 33.
The square root of 80435238 is about 8968.5694511444. The cubic root of 80435238 is about 431.6669350651. Note that the first 3 decimals are identical.
The spelling of 80435238 in words is "eighty million, four hundred thirty-five thousand, two hundred thirty-eight".
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