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10422 = 233193
BaseRepresentation
bin10100010110110
3112022000
42202312
5313142
6120130
742246
oct24266
915260
1010422
117915
126046
134989
143b26
15314c
hex28b6

10422 has 16 divisors (see below), whose sum is σ = 23280. Its totient is φ = 3456.

The previous prime is 10399. The next prime is 10427. The reversal of 10422 is 22401.

10422 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10427) by changing a digit.

10422 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43 + ... + 150.

It is an arithmetic number, because the mean of its divisors is an integer number (1455).

210422 is an apocalyptic number.

10422 is an abundant number, since it is smaller than the sum of its proper divisors (12858).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11640).

10422 is a wasteful number, since it uses less digits than its factorization.

10422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204 (or 198 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 9.

The square root of 10422 is about 102.0881971630. The cubic root of 10422 is about 21.8432382591.

Adding to 10422 its reverse (22401), we get a palindrome (32823).

The spelling of 10422 in words is "ten thousand, four hundred twenty-two", and thus it is an iban number.

Divisors: 1 2 3 6 9 18 27 54 193 386 579 1158 1737 3474 5211 10422