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68059165 = 513611833
BaseRepresentation
bin1000000111010…
…00000000011101
311202001202121211
410003220000131
5114410343130
610430424421
71454331136
oct403500035
9152052554
1068059165
1135465949
121a962111
131113c2c5
149078c8d
155e95a2a
hex40e801d

68059165 has 4 divisors (see below), whose sum is σ = 81671004. Its totient is φ = 54447328.

The previous prime is 68059151. The next prime is 68059171. The reversal of 68059165 is 56195086.

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

It can be written as a sum of positive squares in 2 ways, for example, as 48149721 + 19909444 = 6939^2 + 4462^2 .

It is a cyclic number.

It is not a de Polignac number, because 68059165 - 25 = 68059133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6805912 + ... + 6805921.

It is an arithmetic number, because the mean of its divisors is an integer number (20417751).

Almost surely, 268059165 is an apocalyptic number.

It is an amenable number.

68059165 is a deficient number, since it is larger than the sum of its proper divisors (13611839).

68059165 is a wasteful number, since it uses less digits than its factorization.

68059165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13611838.

The product of its (nonzero) digits is 64800, while the sum is 40.

The square root of 68059165 is about 8249.7978763119. The cubic root of 68059165 is about 408.2838538778.

The spelling of 68059165 in words is "sixty-eight million, fifty-nine thousand, one hundred sixty-five".

Divisors: 1 5 13611833 68059165