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68775244 = 2223747557
BaseRepresentation
bin1000001100101…
…10110101001100
311210102010220021
410012112311030
5120101301434
610454031524
71463402626
oct406266514
9153363807
1068775244
113590494a
121b0485a4
1311330215
1491c3c16
156087cb4
hex4196d4c

68775244 has 12 divisors (see below), whose sum is σ = 125589744. Its totient is φ = 32892464.

The previous prime is 68775229. The next prime is 68775247. The reversal of 68775244 is 44257786.

It is a self number, because there is not a number n which added to its sum of digits gives 68775244.

It is not an unprimeable number, because it can be changed into a prime (68775247) 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, 373687 + ... + 373870.

It is an arithmetic number, because the mean of its divisors is an integer number (10465812).

Almost surely, 268775244 is an apocalyptic number.

It is an amenable number.

68775244 is a deficient number, since it is larger than the sum of its proper divisors (56814500).

68775244 is a wasteful number, since it uses less digits than its factorization.

68775244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 747584 (or 747582 counting only the distinct ones).

The product of its digits is 376320, while the sum is 43.

The square root of 68775244 is about 8293.0841066518. The cubic root of 68775244 is about 409.7107696402.

It can be divided in two parts, 6877 and 5244, that added together give a palindrome (12121).

The spelling of 68775244 in words is "sixty-eight million, seven hundred seventy-five thousand, two hundred forty-four".

Divisors: 1 2 4 23 46 92 747557 1495114 2990228 17193811 34387622 68775244