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68421714 = 2383137393
BaseRepresentation
bin1000001010000…
…00100001010010
311202202011221120
410011000201102
5120003443324
610442303110
71460401134
oct405004122
9152664846
1068421714
1135693279
121aab7a96
131123832a
149131054
156018179
hex4140852

68421714 has 16 divisors (see below), whose sum is σ = 138493152. Its totient is φ = 22532288.

The previous prime is 68421713. The next prime is 68421721. The reversal of 68421714 is 41712486.

It is not an unprimeable number, because it can be changed into a prime (68421713) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68199 + ... + 69194.

It is an arithmetic number, because the mean of its divisors is an integer number (8655822).

Almost surely, 268421714 is an apocalyptic number.

68421714 is an abundant number, since it is smaller than the sum of its proper divisors (70071438).

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

68421714 is a wasteful number, since it uses less digits than its factorization.

68421714 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137481.

The product of its digits is 10752, while the sum is 33.

The square root of 68421714 is about 8271.7418963602. The cubic root of 68421714 is about 409.0075420604.

The spelling of 68421714 in words is "sixty-eight million, four hundred twenty-one thousand, seven hundred fourteen".

Divisors: 1 2 3 6 83 166 249 498 137393 274786 412179 824358 11403619 22807238 34210857 68421714