Search a number
-
+
68223486 = 23293710597
BaseRepresentation
bin1000001000100…
…00000111111110
311202101010000210
410010100013332
5114431122421
610434133250
71455614202
oct404200776
9152333023
1068223486
1135568351
121aa21226
1311199036
1490bcb02
155ec9576
hex41101fe

68223486 has 32 divisors (see below), whose sum is σ = 144980640. Its totient is φ = 21361536.

The previous prime is 68223479. The next prime is 68223517. The reversal of 68223486 is 68432286.

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, 1140 + ... + 11736.

It is an arithmetic number, because the mean of its divisors is an integer number (4530645).

Almost surely, 268223486 is an apocalyptic number.

68223486 is an abundant number, since it is smaller than the sum of its proper divisors (76757154).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

68223486 is a wasteful number, since it uses less digits than its factorization.

68223486 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10668.

The product of its digits is 110592, while the sum is 39.

The square root of 68223486 is about 8259.7509647689. The cubic root of 68223486 is about 408.6121745386.

The spelling of 68223486 in words is "sixty-eight million, two hundred twenty-three thousand, four hundred eighty-six".

Divisors: 1 2 3 6 29 37 58 74 87 111 174 222 1073 2146 3219 6438 10597 21194 31791 63582 307313 392089 614626 784178 921939 1176267 1843878 2352534 11370581 22741162 34111743 68223486