Search a number
-
+
68248201 = 79749743
BaseRepresentation
bin1000001000101…
…10001010001001
311202102100221011
410010112022021
5114432420301
610434443521
71456046230
oct404261211
9152370834
1068248201
113558497a
121aa335a1
13111a7368
1490c7b17
155ed1a51
hex4116289

68248201 has 4 divisors (see below), whose sum is σ = 77997952. Its totient is φ = 58498452.

The previous prime is 68248163. The next prime is 68248207. The reversal of 68248201 is 10284286.

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 68248201 - 29 = 68247689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68248207) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4874865 + ... + 4874878.

It is an arithmetic number, because the mean of its divisors is an integer number (19499488).

Almost surely, 268248201 is an apocalyptic number.

It is an amenable number.

68248201 is a deficient number, since it is larger than the sum of its proper divisors (9749751).

68248201 is an equidigital number, since it uses as much as digits as its factorization.

68248201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9749750.

The product of its (nonzero) digits is 6144, while the sum is 31.

The square root of 68248201 is about 8261.2469397785. The cubic root of 68248201 is about 408.6615105823.

The spelling of 68248201 in words is "sixty-eight million, two hundred forty-eight thousand, two hundred one".

Divisors: 1 7 9749743 68248201