Search a number
-
+
68541 = 3113167
BaseRepresentation
bin10000101110111101
310111000120
4100232331
54143131
61245153
7403554
oct205675
9114016
1068541
1147550
12337b9
1325275
141ad9b
1515496
hex10bbd

68541 has 16 divisors (see below), whose sum is σ = 104448. Its totient is φ = 39600.

The previous prime is 68539. The next prime is 68543. The reversal of 68541 is 14586.

It is an interprime number because it is at equal distance from previous prime (68539) and next prime (68543).

It is not a de Polignac number, because 68541 - 21 = 68539 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68543) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 990 + ... + 1056.

It is an arithmetic number, because the mean of its divisors is an integer number (6528).

268541 is an apocalyptic number.

It is an amenable number.

68541 is a deficient number, since it is larger than the sum of its proper divisors (35907).

68541 is a wasteful number, since it uses less digits than its factorization.

68541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112.

The product of its digits is 960, while the sum is 24.

The square root of 68541 is about 261.8033613230. The cubic root of 68541 is about 40.9245091154.

The spelling of 68541 in words is "sixty-eight thousand, five hundred forty-one".

Divisors: 1 3 11 31 33 67 93 201 341 737 1023 2077 2211 6231 22847 68541