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13233025 = 5213192143
BaseRepresentation
bin110010011110…
…101110000001
3220220022022001
4302132232001
511341424100
61151344001
7220323151
oct62365601
926808261
1013233025
117519193
124522001
1329842c0
141a86761
151265d6a
hexc9eb81

13233025 has 24 divisors (see below), whose sum is σ = 18609920. Its totient is φ = 9253440.

The previous prime is 13233007. The next prime is 13233061. The reversal of 13233025 is 52033231.

13233025 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13233025 - 223 = 4844417 is a prime.

It is a super-2 number, since 2×132330252 = 350225901301250, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a junction number, because it is equal to n+sod(n) for n = 13232993 and 13233011.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5104 + ... + 7246.

Almost surely, 213233025 is an apocalyptic number.

It is an amenable number.

13233025 is a deficient number, since it is larger than the sum of its proper divisors (5376895).

13233025 is a wasteful number, since it uses less digits than its factorization.

13233025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2185 (or 2180 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 19.

The square root of 13233025 is about 3637.7225017860. The cubic root of 13233025 is about 236.5300794445.

Adding to 13233025 its reverse (52033231), we get a palindrome (65266256).

It can be divided in two parts, 132330 and 25, that added together give a triangular number (132355 = T514).

The spelling of 13233025 in words is "thirteen million, two hundred thirty-three thousand, twenty-five".

Divisors: 1 5 13 19 25 65 95 247 325 475 1235 2143 6175 10715 27859 40717 53575 139295 203585 529321 696475 1017925 2646605 13233025