Search a number
-
+
68587086 = 2323814801
BaseRepresentation
bin1000001011010…
…00111001001110
311210001120210110
410011220321032
5120024241321
610450020450
71461660231
oct405507116
9153046713
1068587086
1135796547
121ab77726
1311295699
149175418
15604c176
hex4168e4e

68587086 has 16 divisors (see below), whose sum is σ = 137260368. Its totient is φ = 22848000.

The previous prime is 68587039. The next prime is 68587091. The reversal of 68587086 is 68078586.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11886 + ... + 16686.

It is an arithmetic number, because the mean of its divisors is an integer number (8578773).

Almost surely, 268587086 is an apocalyptic number.

68587086 is an abundant number, since it is smaller than the sum of its proper divisors (68673282).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

68587086 is a wasteful number, since it uses less digits than its factorization.

68587086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7187.

The product of its (nonzero) digits is 645120, while the sum is 48.

The square root of 68587086 is about 8281.7320652144. The cubic root of 68587086 is about 409.3367941424.

The spelling of 68587086 in words is "sixty-eight million, five hundred eighty-seven thousand, eighty-six".

Divisors: 1 2 3 6 2381 4762 4801 7143 9602 14286 14403 28806 11431181 22862362 34293543 68587086