Base | Representation |
---|---|
bin | 1001100010111… |
… | …10110101001010 |
3 | 12120200111101102 |
4 | 10301132311022 |
5 | 131000031302 |
6 | 11540221402 |
7 | 1661445656 |
oct | 461366512 |
9 | 176614342 |
10 | 80080202 |
11 | 41226494 |
12 | 2299a862 |
13 | 1378aa47 |
14 | a8c7a66 |
15 | 706c702 |
hex | 4c5ed4a |
80080202 has 8 divisors (see below), whose sum is σ = 120202500. Its totient is φ = 40012704.
The previous prime is 80080201. The next prime is 80080207. The reversal of 80080202 is 20208008.
It can be written as a sum of positive squares in 2 ways, for example, as 66896041 + 13184161 = 8179^2 + 3631^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not an unprimeable number, because it can be changed into a prime (80080201) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9827 + ... + 16022.
Almost surely, 280080202 is an apocalyptic number.
80080202 is a deficient number, since it is larger than the sum of its proper divisors (40122298).
80080202 is a wasteful number, since it uses less digits than its factorization.
80080202 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 27400.
The product of its (nonzero) digits is 256, while the sum is 20.
The square root of 80080202 is about 8948.7542149732. The cubic root of 80080202 is about 431.0308815573.
The spelling of 80080202 in words is "eighty million, eighty thousand, two hundred two".
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