Search a number
-
+
13385559 = 3112971197
BaseRepresentation
bin110011000011…
…111101010111
3221012001112110
4303003331113
511411314214
61154522103
7221526645
oct63037527
927161473
1013385559
117612850
124596333
132a08865
141ac6195
151296159
hexcc3f57

13385559 has 32 divisors (see below), whose sum is σ = 20528640. Its totient is φ = 7683200.

The previous prime is 13385543. The next prime is 13385573. The reversal of 13385559 is 95558331.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 13385559 - 24 = 13385543 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13385759) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 67849 + ... + 68045.

It is an arithmetic number, because the mean of its divisors is an integer number (641520).

Almost surely, 213385559 is an apocalyptic number.

13385559 is a deficient number, since it is larger than the sum of its proper divisors (7143081).

13385559 is a wasteful number, since it uses less digits than its factorization.

13385559 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 311.

The product of its digits is 81000, while the sum is 39.

The square root of 13385559 is about 3658.6280215403. The cubic root of 13385559 is about 237.4354188211.

The spelling of 13385559 in words is "thirteen million, three hundred eighty-five thousand, five hundred fifty-nine".

Divisors: 1 3 11 29 33 71 87 197 213 319 591 781 957 2059 2167 2343 5713 6177 6501 13987 17139 22649 41961 62843 67947 153857 188529 405623 461571 1216869 4461853 13385559