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68482644 = 2235706887
BaseRepresentation
bin1000001010011…
…11011001010100
311202212021112020
410011033121110
5120012421034
610443453140
71461043566
oct405173124
9152767466
1068482644
113572502a
121ab271b0
1311259c99
149149336
15602b249
hex414f654

68482644 has 12 divisors (see below), whose sum is σ = 159792864. Its totient is φ = 22827544.

The previous prime is 68482637. The next prime is 68482649. The reversal of 68482644 is 44628486.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 68482596 and 68482605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68482649) 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, 2853432 + ... + 2853455.

It is an arithmetic number, because the mean of its divisors is an integer number (13316072).

Almost surely, 268482644 is an apocalyptic number.

It is an amenable number.

68482644 is an abundant number, since it is smaller than the sum of its proper divisors (91310220).

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

68482644 is a wasteful number, since it uses less digits than its factorization.

68482644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5706894 (or 5706892 counting only the distinct ones).

The product of its digits is 294912, while the sum is 42.

The square root of 68482644 is about 8275.4240978937. The cubic root of 68482644 is about 409.1289140360.

The spelling of 68482644 in words is "sixty-eight million, four hundred eighty-two thousand, six hundred forty-four".

Divisors: 1 2 3 4 6 12 5706887 11413774 17120661 22827548 34241322 68482644