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24404 = 226101
BaseRepresentation
bin101111101010100
31020110212
411331110
51240104
6304552
7131102
oct57524
936425
1024404
1117376
1212158
13b153
148c72
15736e
hex5f54

24404 has 6 divisors (see below), whose sum is σ = 42714. Its totient is φ = 12200.

The previous prime is 24391. The next prime is 24407. The reversal of 24404 is 40442.

It can be written as a sum of positive squares in only one way, i.e., 21904 + 2500 = 148^2 + 50^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (24407) by changing a digit.

24404 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 as a sum of consecutive naturals, namely, 3047 + ... + 3054.

It is an arithmetic number, because the mean of its divisors is an integer number (7119).

224404 is an apocalyptic number.

It is an amenable number.

24404 is a deficient number, since it is larger than the sum of its proper divisors (18310).

24404 is a wasteful number, since it uses less digits than its factorization.

24404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6105 (or 6103 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 14.

The square root of 24404 is about 156.2177966814. The cubic root of 24404 is about 29.0059440848.

Adding to 24404 its reverse (40442), we get a palindrome (64846).

The spelling of 24404 in words is "twenty-four thousand, four hundred four", and thus it is an iban number.

Divisors: 1 2 4 6101 12202 24404