Search a number
-
+
68223485 = 5112415147
BaseRepresentation
bin1000001000100…
…00000111111101
311202101010000202
410010100013331
5114431122420
610434133245
71455614201
oct404200775
9152333022
1068223485
1135568350
121aa21225
1311199035
1490bcb01
155ec9575
hex41101fd

68223485 has 16 divisors (see below), whose sum is σ = 89698752. Its totient is φ = 49401600.

The previous prime is 68223479. The next prime is 68223517. The reversal of 68223485 is 58432286.

It is a de Polignac number, because none of the positive numbers 2k-68223485 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10682 + ... + 15828.

It is an arithmetic number, because the mean of its divisors is an integer number (5606172).

Almost surely, 268223485 is an apocalyptic number.

It is an amenable number.

68223485 is a deficient number, since it is larger than the sum of its proper divisors (21475267).

68223485 is a wasteful number, since it uses less digits than its factorization.

68223485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5404.

The product of its digits is 92160, while the sum is 38.

The square root of 68223485 is about 8259.7509042343. The cubic root of 68223485 is about 408.6121725422.

The spelling of 68223485 in words is "sixty-eight million, two hundred twenty-three thousand, four hundred eighty-five".

Divisors: 1 5 11 55 241 1205 2651 5147 13255 25735 56617 283085 1240427 6202135 13644697 68223485