Search a number
-
+
13967585 = 512292273
BaseRepresentation
bin110101010010…
…000011100001
3222021121220222
4311102003201
512033430320
61215212425
7226502552
oct65220341
928247828
1013967585
117980065
124817115
132b80758
141bd8329
15135d825
hexd520e1

13967585 has 8 divisors (see below), whose sum is σ = 16782120. Its totient is φ = 11160064.

The previous prime is 13967581. The next prime is 13967599. The reversal of 13967585 is 58576931.

It can be written as a sum of positive squares in 4 ways, for example, as 8317456 + 5650129 = 2884^2 + 2377^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13967585 - 22 = 13967581 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13967581) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5009 + ... + 7281.

It is an arithmetic number, because the mean of its divisors is an integer number (2097765).

Almost surely, 213967585 is an apocalyptic number.

It is an amenable number.

13967585 is a deficient number, since it is larger than the sum of its proper divisors (2814535).

13967585 is a wasteful number, since it uses less digits than its factorization.

13967585 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3507.

The product of its digits is 226800, while the sum is 44.

The square root of 13967585 is about 3737.3232399673. The cubic root of 13967585 is about 240.8280713348.

The spelling of 13967585 in words is "thirteen million, nine hundred sixty-seven thousand, five hundred eighty-five".

Divisors: 1 5 1229 2273 6145 11365 2793517 13967585