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BaseRepresentation
bin101101110010100
31012011022
411232110
51222234
6300312
7125231
oct55624
935138
1023444
1116683
1211698
13a895
148788
156e2e
hex5b94

23444 has 6 divisors (see below), whose sum is σ = 41034. Its totient is φ = 11720.

The previous prime is 23431. The next prime is 23447. The reversal of 23444 is 44432.

It can be written as a sum of positive squares in only one way, i.e., 19600 + 3844 = 140^2 + 62^2 .

It is a super-2 number, since 2×234442 = 1099242272, which contains 22 as substring.

It is a plaindrome in base 5 and base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2927 + ... + 2934.

It is an arithmetic number, because the mean of its divisors is an integer number (6839).

223444 is an apocalyptic number.

It is an amenable number.

23444 is a deficient number, since it is larger than the sum of its proper divisors (17590).

23444 is a wasteful number, since it uses less digits than its factorization.

23444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5865 (or 5863 counting only the distinct ones).

The product of its digits is 384, while the sum is 17.

The square root of 23444 is about 153.1143363634. The cubic root of 23444 is about 28.6205013811.

Adding to 23444 its reverse (44432), we get a palindrome (67876).

It can be divided in two parts, 234 and 44, that multiplied together give a triangular number (10296 = T143).

The spelling of 23444 in words is "twenty-three thousand, four hundred forty-four", and thus it is an iban number.

Divisors: 1 2 4 5861 11722 23444