Search a number
-
+
86889549 = 3131221093
BaseRepresentation
bin1010010110111…
…01010001001101
320001111110001110
411023131101031
5134220431144
612342202233
72103356205
oct513352115
9201443043
1086889549
114505744a
1225123379
1315003246
14b77b405
1579650b9
hex52dd44d

86889549 has 8 divisors (see below), whose sum is σ = 116737632. Its totient is φ = 57483920.

The previous prime is 86889521. The next prime is 86889557. The reversal of 86889549 is 94598868.

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 86889549 - 28 = 86889293 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86889149) 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, 110154 + ... + 110939.

It is an arithmetic number, because the mean of its divisors is an integer number (14592204).

Almost surely, 286889549 is an apocalyptic number.

It is an amenable number.

86889549 is a deficient number, since it is larger than the sum of its proper divisors (29848083).

86889549 is a wasteful number, since it uses less digits than its factorization.

86889549 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221227.

The product of its digits is 4976640, while the sum is 57.

The square root of 86889549 is about 9321.4563776268. The cubic root of 86889549 is about 442.9171679552.

The spelling of 86889549 in words is "eighty-six million, eight hundred eighty-nine thousand, five hundred forty-nine".

Divisors: 1 3 131 393 221093 663279 28963183 86889549