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13204461 = 3172311257
BaseRepresentation
bin110010010111…
…101111101101
3220211212010010
4302113233231
511340020321
61151003433
7220143654
oct62275755
926755103
1013204461
1174a9786
124509579
1329742ba
141a7a19b
15125c676
hexc97bed

13204461 has 16 divisors (see below), whose sum is σ = 19453824. Its totient is φ = 7924224.

The previous prime is 13204453. The next prime is 13204469. The reversal of 13204461 is 16440231.

13204461 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (13204453) and next prime (13204469).

It is not a de Polignac number, because 13204461 - 23 = 13204453 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13204469) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4456 + ... + 6801.

It is an arithmetic number, because the mean of its divisors is an integer number (1215864).

Almost surely, 213204461 is an apocalyptic number.

It is an amenable number.

13204461 is a deficient number, since it is larger than the sum of its proper divisors (6249363).

13204461 is a wasteful number, since it uses less digits than its factorization.

13204461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11300.

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

The square root of 13204461 is about 3633.7942979756. The cubic root of 13204461 is about 236.3597703823.

Adding to 13204461 its reverse (16440231), we get a palindrome (29644692).

The spelling of 13204461 in words is "thirteen million, two hundred four thousand, four hundred sixty-one".

Divisors: 1 3 17 23 51 69 391 1173 11257 33771 191369 258911 574107 776733 4401487 13204461