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13035145 = 52607029
BaseRepresentation
bin110001101110…
…011010001001
3220112020212011
4301232122021
511314111040
61143215521
7215540224
oct61563211
926466764
1013035145
1173a3552
1244475a1
132915206
141a345bb
1512273ea
hexc6e689

13035145 has 4 divisors (see below), whose sum is σ = 15642180. Its totient is φ = 10428112.

The previous prime is 13035133. The next prime is 13035163. The reversal of 13035145 is 54153031.

It is a happy number.

13035145 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 7634169 + 5400976 = 2763^2 + 2324^2 .

It is a cyclic number.

It is not a de Polignac number, because 13035145 - 213 = 13026953 is a prime.

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, 1303510 + ... + 1303519.

It is an arithmetic number, because the mean of its divisors is an integer number (3910545).

Almost surely, 213035145 is an apocalyptic number.

It is an amenable number.

13035145 is a deficient number, since it is larger than the sum of its proper divisors (2607035).

13035145 is an equidigital number, since it uses as much as digits as its factorization.

13035145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2607034.

The product of its (nonzero) digits is 900, while the sum is 22.

The square root of 13035145 is about 3610.4217205196. The cubic root of 13035145 is about 235.3451695413.

Adding to 13035145 its reverse (54153031), we get a palindrome (67188176).

The spelling of 13035145 in words is "thirteen million, thirty-five thousand, one hundred forty-five".

Divisors: 1 5 2607029 13035145