Search a number
-
+
13302645 = 354718869
BaseRepresentation
bin110010101111…
…101101110101
3221000211210120
4302233231311
511401141040
61153042153
7221033136
oct62575565
927024716
1013302645
117566524
124556359
1329a9bb5
141aa3c8d
15127b7d0
hexcafb75

13302645 has 16 divisors (see below), whose sum is σ = 21738240. Its totient is φ = 6943424.

The previous prime is 13302643. The next prime is 13302683. The reversal of 13302645 is 54620331.

It is a happy number.

13302645 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 13302645 - 21 = 13302643 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13302643) 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, 8730 + ... + 10139.

It is an arithmetic number, because the mean of its divisors is an integer number (1358640).

Almost surely, 213302645 is an apocalyptic number.

13302645 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13302645 is a deficient number, since it is larger than the sum of its proper divisors (8435595).

13302645 is a wasteful number, since it uses less digits than its factorization.

13302645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18924.

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 13302645 is about 3647.2791228531. The cubic root of 13302645 is about 236.9441553338.

Adding to 13302645 its reverse (54620331), we get a palindrome (67922976).

The spelling of 13302645 in words is "thirteen million, three hundred two thousand, six hundred forty-five".

Divisors: 1 3 5 15 47 141 235 705 18869 56607 94345 283035 886843 2660529 4434215 13302645