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68844467 = 193623393
BaseRepresentation
bin1000001101001…
…11101110110011
311210112122212002
410012213232303
5120111010332
610455324215
71464111506
oct406475663
9153478762
1068844467
113595195a
121b08066b
1311355893
14920113d
15609d562
hex41a7bb3

68844467 has 4 divisors (see below), whose sum is σ = 72467880. Its totient is φ = 65221056.

The previous prime is 68844449. The next prime is 68844469. The reversal of 68844467 is 76444886.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 68844467 - 210 = 68843443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68844469) 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, 1811678 + ... + 1811715.

It is an arithmetic number, because the mean of its divisors is an integer number (18116970).

Almost surely, 268844467 is an apocalyptic number.

68844467 is a deficient number, since it is larger than the sum of its proper divisors (3623413).

68844467 is a wasteful number, since it uses less digits than its factorization.

68844467 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3623412.

The product of its digits is 1032192, while the sum is 47.

The square root of 68844467 is about 8297.2565948029. The cubic root of 68844467 is about 409.8481829346.

The spelling of 68844467 in words is "sixty-eight million, eight hundred forty-four thousand, four hundred sixty-seven".

Divisors: 1 19 3623393 68844467