Search a number
-
+
13589487 = 322952067
BaseRepresentation
bin110011110101…
…101111101111
3221120102021100
4303311233233
511434330422
61203134143
7223336332
oct63655757
927512240
1013589487
117741a8a
124674353
132a7a622
141b3a619
1512d67ac
hexcf5bef

13589487 has 12 divisors (see below), whose sum is σ = 20306520. Its totient is φ = 8747088.

The previous prime is 13589479. The next prime is 13589497. The reversal of 13589487 is 78498531.

13589487 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13589487 - 23 = 13589479 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13589437) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25773 + ... + 26294.

It is an arithmetic number, because the mean of its divisors is an integer number (1692210).

Almost surely, 213589487 is an apocalyptic number.

13589487 is a deficient number, since it is larger than the sum of its proper divisors (6717033).

13589487 is a wasteful number, since it uses less digits than its factorization.

13589487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52102 (or 52099 counting only the distinct ones).

The product of its digits is 241920, while the sum is 45.

The square root of 13589487 is about 3686.3921386635. The cubic root of 13589487 is about 238.6351171932.

It can be divided in two parts, 135894 and 87, that added together give a triangular number (135981 = T521).

The spelling of 13589487 in words is "thirteen million, five hundred eighty-nine thousand, four hundred eighty-seven".

Divisors: 1 3 9 29 87 261 52067 156201 468603 1509943 4529829 13589487