Search a number
-
+
80422 = 279509
BaseRepresentation
bin10011101000100110
311002022121
4103220212
510033142
61420154
7453316
oct235046
9132277
1080422
1155471
123a65a
132a7b4
1421446
1518c67
hex13a26

80422 has 8 divisors (see below), whose sum is σ = 122400. Its totient is φ = 39624.

The previous prime is 80407. The next prime is 80429. The reversal of 80422 is 22408.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 80396 and 80405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80429) by changing a digit.

80422 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 97 + ... + 412.

It is an arithmetic number, because the mean of its divisors is an integer number (15300).

280422 is an apocalyptic number.

80422 is a deficient number, since it is larger than the sum of its proper divisors (41978).

80422 is a wasteful number, since it uses less digits than its factorization.

80422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 590.

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 80422 is about 283.5877289306. The cubic root of 80422 is about 43.1643252574.

The spelling of 80422 in words is "eighty thousand, four hundred twenty-two".

Divisors: 1 2 79 158 509 1018 40211 80422