Search a number
-
+
13204230 = 2351333857
BaseRepresentation
bin110010010111…
…101100000110
3220211211210120
4302113230012
511340013410
61151002410
7220143204
oct62275406
926754716
1013204230
1174a9596
124509406
132974170
141a7a074
15125c570
hexc97b06

13204230 has 32 divisors (see below), whose sum is σ = 34128864. Its totient is φ = 3250176.

The previous prime is 13204211. The next prime is 13204237. The reversal of 13204230 is 3240231.

13204230 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13204237) 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, 16539 + ... + 17318.

It is an arithmetic number, because the mean of its divisors is an integer number (1066527).

Almost surely, 213204230 is an apocalyptic number.

13204230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13204230 is an abundant number, since it is smaller than the sum of its proper divisors (20924634).

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

13204230 is a wasteful number, since it uses less digits than its factorization.

13204230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33880.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 13204230 is about 3633.7625128784. The cubic root of 13204230 is about 236.3583920748.

Adding to 13204230 its reverse (3240231), we get a palindrome (16444461).

The spelling of 13204230 in words is "thirteen million, two hundred four thousand, two hundred thirty".

Divisors: 1 2 3 5 6 10 13 15 26 30 39 65 78 130 195 390 33857 67714 101571 169285 203142 338570 440141 507855 880282 1015710 1320423 2200705 2640846 4401410 6602115 13204230