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68201 = 79743
BaseRepresentation
bin10000101001101001
310110112222
4100221221
54140301
61243425
7402560
oct205151
9113488
1068201
1147271
1233575
1325073
141abd7
151531b
hex10a69

68201 has 4 divisors (see below), whose sum is σ = 77952. Its totient is φ = 58452.

The previous prime is 68171. The next prime is 68207. The reversal of 68201 is 10286.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 68201 - 214 = 51817 is a prime.

It is a Curzon number.

It is a plaindrome in base 9.

It is a self number, because there is not a number n which added to its sum of digits gives 68201.

It is not an unprimeable number, because it can be changed into a prime (68207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4865 + ... + 4878.

It is an arithmetic number, because the mean of its divisors is an integer number (19488).

268201 is an apocalyptic number.

It is an amenable number.

68201 is a deficient number, since it is larger than the sum of its proper divisors (9751).

68201 is an equidigital number, since it uses as much as digits as its factorization.

68201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9750.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 68201 is about 261.1532117359. The cubic root of 68201 is about 40.8567277668.

Adding to 68201 its reverse (10286), we get a palindrome (78487).

The spelling of 68201 in words is "sixty-eight thousand, two hundred one".

Divisors: 1 7 9743 68201