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23022 = 2321279
BaseRepresentation
bin101100111101110
31011120200
411213232
51214042
6254330
7124056
oct54756
934520
1023022
111632a
12113a6
13a62c
148566
156c4c
hex59ee

23022 has 12 divisors (see below), whose sum is σ = 49920. Its totient is φ = 7668.

The previous prime is 23021. The next prime is 23027. The reversal of 23022 is 22032.

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

It is a plaindrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 22995 and 23013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23021) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 622 + ... + 657.

It is an arithmetic number, because the mean of its divisors is an integer number (4160).

223022 is an apocalyptic number.

23022 is an abundant number, since it is smaller than the sum of its proper divisors (26898).

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

23022 is a wasteful number, since it uses less digits than its factorization.

23022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1287 (or 1284 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 9.

The square root of 23022 is about 151.7300233968. The cubic root of 23022 is about 28.4477343110.

Adding to 23022 its reverse (22032), we get a palindrome (45054).

Subtracting from 23022 its reverse (22032), we obtain a triangular number (990 = T44).

It can be divided in two parts, 2302 and 2, that added together give a square (2304 = 482).

The spelling of 23022 in words is "twenty-three thousand, twenty-two", and thus it is an iban number.

Divisors: 1 2 3 6 9 18 1279 2558 3837 7674 11511 23022