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13204038 = 232200673
BaseRepresentation
bin110010010111…
…101001000110
3220211211112110
4302113221012
511340012123
61151001450
7220142511
oct62275106
926754473
1013204038
1174a9431
124509286
132974053
141a79d78
15125c493
hexc97a46

13204038 has 8 divisors (see below), whose sum is σ = 26408088. Its totient is φ = 4401344.

The previous prime is 13204007. The next prime is 13204043. The reversal of 13204038 is 83040231.

It is a happy number.

13204038 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

13204038 is an admirable number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1100331 + ... + 1100342.

It is an arithmetic number, because the mean of its divisors is an integer number (3301011).

Almost surely, 213204038 is an apocalyptic number.

13204038 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

13204038 is a wasteful number, since it uses less digits than its factorization.

13204038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2200678.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 13204038 is about 3633.7360938846. The cubic root of 13204038 is about 236.3572464563.

Adding to 13204038 its reverse (83040231), we get a palindrome (96244269).

The spelling of 13204038 in words is "thirteen million, two hundred four thousand, thirty-eight".

Divisors: 1 2 3 6 2200673 4401346 6602019 13204038