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68141338 = 21711811697
BaseRepresentation
bin1000000111111…
…00000100011010
311202012221100021
410003330010122
5114421010323
610432301054
71455122536
oct403740432
9152187307
1068141338
1135511661
121a9a178a
131116a825
14909abc6
155eb005d
hex40fc11a

68141338 has 16 divisors (see below), whose sum is σ = 108379944. Its totient is φ = 32020480.

The previous prime is 68141323. The next prime is 68141347. The reversal of 68141338 is 83314186.

It can be written as a sum of positive squares in 4 ways, for example, as 62299449 + 5841889 = 7893^2 + 2417^2 .

It is a Harshad number since it is a multiple of its sum of digits (34).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39306 + ... + 41002.

Almost surely, 268141338 is an apocalyptic number.

68141338 is a deficient number, since it is larger than the sum of its proper divisors (40238606).

68141338 is a wasteful number, since it uses less digits than its factorization.

68141338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2897.

The product of its digits is 13824, while the sum is 34.

The square root of 68141338 is about 8254.7766777788. The cubic root of 68141338 is about 408.4481051618.

The spelling of 68141338 in words is "sixty-eight million, one hundred forty-one thousand, three hundred thirty-eight".

Divisors: 1 2 17 34 1181 1697 2362 3394 20077 28849 40154 57698 2004157 4008314 34070669 68141338