Base | Representation |
---|---|
bin | 1001100101111… |
… | …01110110001110 |
3 | 12121102021020210 |
4 | 10302331312032 |
5 | 131100010030 |
6 | 11552423250 |
7 | 1664656431 |
oct | 462756616 |
9 | 177367223 |
10 | 80469390 |
11 | 41471931 |
12 | 22b47b26 |
13 | 13895c31 |
14 | a989818 |
15 | 70e7bb0 |
hex | 4cbdd8e |
80469390 has 16 divisors (see below), whose sum is σ = 193126608. Its totient is φ = 21458496.
The previous prime is 80469377. The next prime is 80469401. The reversal of 80469390 is 9396408.
It is a congruent number.
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, 1341127 + ... + 1341186.
It is an arithmetic number, because the mean of its divisors is an integer number (12070413).
Almost surely, 280469390 is an apocalyptic number.
80469390 is an abundant number, since it is smaller than the sum of its proper divisors (112657218).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
80469390 is a wasteful number, since it uses less digits than its factorization.
80469390 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2682323.
The product of its (nonzero) digits is 46656, while the sum is 39.
The square root of 80469390 is about 8970.4732316640. The cubic root of 80469390 is about 431.7280202459.
The spelling of 80469390 in words is "eighty million, four hundred sixty-nine thousand, three hundred ninety".
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