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68062172 = 2217015543
BaseRepresentation
bin1000000111010…
…00101111011100
311202001220202012
410003220233130
5114410442142
610430450352
71454342663
oct403505734
9152056665
1068062172
1135468132
121a9639b8
1311140799
149079dda
155e96882
hex40e8bdc

68062172 has 6 divisors (see below), whose sum is σ = 119108808. Its totient is φ = 34031084.

The previous prime is 68062109. The next prime is 68062177. The reversal of 68062172 is 27126086.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68062177) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8507768 + ... + 8507775.

It is an arithmetic number, because the mean of its divisors is an integer number (19851468).

Almost surely, 268062172 is an apocalyptic number.

It is an amenable number.

68062172 is a deficient number, since it is larger than the sum of its proper divisors (51046636).

68062172 is a wasteful number, since it uses less digits than its factorization.

68062172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17015547 (or 17015545 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 68062172 is about 8249.9801211882. The cubic root of 68062172 is about 408.2898667416.

The spelling of 68062172 in words is "sixty-eight million, sixty-two thousand, one hundred seventy-two".

Divisors: 1 2 4 17015543 34031086 68062172