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32404 = 228101

32404 has 6 divisors (see below), whose sum is σ = 56714. Its totient is φ = 16200.

The previous prime is 32401. The next prime is 32411. The reversal of 32404 is 40423.

It can be written as a sum of positive squares in only one way, i.e., 32400 + 4 = 180^2 + 2^2 .

It is a plaindrome in base 11.

It is a zygodrome in base 3.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 32404.

It is not an unprimeable number, because it can be changed into a prime (32401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4047 + ... + 4054.

232404 is an apocalyptic number.

It is an amenable number.

32404 is a deficient number, since it is larger than the sum of its proper divisors (24310).

32404 is a wasteful number, since it uses less digits than its factorization.

32404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8105 (or 8103 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 13.

The square root of 32404 is about 180.0111107682. The cubic root of 32404 is about 31.8810689457.

Adding to 32404 its reverse (40423), we get a palindrome (72827).

The spelling of 32404 in words is "thirty-two thousand, four hundred four".

Divisors: 1 2 4 8101 16202 32404