Search a number
-
+
68168203 = 73933811
BaseRepresentation
bin1000001000000…
…10101000001011
311202021022012021
410010002220023
5114422340303
610433025311
71455264055
oct404025013
9152238167
1068168203
113552a864
121a9b5237
1311179b1c
1490a68d5
155eb7ebd
hex4102a0b

68168203 has 4 divisors (see below), whose sum is σ = 69102088. Its totient is φ = 67234320.

The previous prime is 68168173. The next prime is 68168209. The reversal of 68168203 is 30286186.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 68168203 - 217 = 68037131 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68168209) 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, 466833 + ... + 466978.

It is an arithmetic number, because the mean of its divisors is an integer number (17275522).

Almost surely, 268168203 is an apocalyptic number.

68168203 is a deficient number, since it is larger than the sum of its proper divisors (933885).

68168203 is an equidigital number, since it uses as much as digits as its factorization.

68168203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 933884.

The product of its (nonzero) digits is 13824, while the sum is 34.

The square root of 68168203 is about 8256.4037570846. The cubic root of 68168203 is about 408.5017755521.

The spelling of 68168203 in words is "sixty-eight million, one hundred sixty-eight thousand, two hundred three".

Divisors: 1 73 933811 68168203