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68244894 = 2323791383
BaseRepresentation
bin1000001000101…
…01010110011110
311202102012101200
410010111112132
5114432314034
610434420330
71456033464
oct404252636
9152365350
1068244894
1135582443
121aa316a6
13111a59c3
1490c6834
155ed0a99
hex411559e

68244894 has 12 divisors (see below), whose sum is σ = 147863976. Its totient is φ = 22748292.

The previous prime is 68244889. The next prime is 68244899. The reversal of 68244894 is 49844286.

It is an interprime number because it is at equal distance from previous prime (68244889) and next prime (68244899).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68244899) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1895674 + ... + 1895709.

It is an arithmetic number, because the mean of its divisors is an integer number (12321998).

Almost surely, 268244894 is an apocalyptic number.

68244894 is an abundant number, since it is smaller than the sum of its proper divisors (79619082).

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

68244894 is a wasteful number, since it uses less digits than its factorization.

68244894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3791391 (or 3791388 counting only the distinct ones).

The product of its digits is 442368, while the sum is 45.

The square root of 68244894 is about 8261.0467859709. The cubic root of 68244894 is about 408.6549098445.

The spelling of 68244894 in words is "sixty-eight million, two hundred forty-four thousand, eight hundred ninety-four".

Divisors: 1 2 3 6 9 18 3791383 7582766 11374149 22748298 34122447 68244894