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82426 = 241213
BaseRepresentation
bin10100000111111010
311012001211
4110013322
510114201
61433334
7462211
oct240772
9135054
1082426
1156a23
123b84a
132b696
1422078
1519651
hex141fa

82426 has 4 divisors (see below), whose sum is σ = 123642. Its totient is φ = 41212.

The previous prime is 82421. The next prime is 82457. The reversal of 82426 is 62428.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 42025 + 40401 = 205^2 + 201^2 .

It is a junction number, because it is equal to n+sod(n) for n = 82397 and 82406.

It is not an unprimeable number, because it can be changed into a prime (82421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20605 + ... + 20608.

282426 is an apocalyptic number.

82426 is a deficient number, since it is larger than the sum of its proper divisors (41216).

82426 is a wasteful number, since it uses less digits than its factorization.

82426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41215.

The product of its digits is 768, while the sum is 22.

The square root of 82426 is about 287.0992859622. The cubic root of 82426 is about 43.5199186534.

The spelling of 82426 in words is "eighty-two thousand, four hundred twenty-six".

Divisors: 1 2 41213 82426