Search a number
-
+
68763286 = 2151227693
BaseRepresentation
bin1000001100100…
…11111010010110
311210101112111101
410012103322112
5120100411121
610453500314
71463323024
oct406237226
9153345441
1068763286
11358a6969
121b04169a
1311327947
1491bd714
156084491
hex4193e96

68763286 has 8 divisors (see below), whose sum is σ = 103828464. Its totient is φ = 34153800.

The previous prime is 68763281. The next prime is 68763293. The reversal of 68763286 is 68236786.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68763281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 113545 + ... + 114148.

It is an arithmetic number, because the mean of its divisors is an integer number (12978558).

Almost surely, 268763286 is an apocalyptic number.

68763286 is a deficient number, since it is larger than the sum of its proper divisors (35065178).

68763286 is a wasteful number, since it uses less digits than its factorization.

68763286 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227846.

The product of its digits is 580608, while the sum is 46.

The square root of 68763286 is about 8292.3631131301. The cubic root of 68763286 is about 409.6870226973.

The spelling of 68763286 in words is "sixty-eight million, seven hundred sixty-three thousand, two hundred eighty-six".

Divisors: 1 2 151 302 227693 455386 34381643 68763286