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68277671 = 7114991777
BaseRepresentation
bin1000001000111…
…01010110100111
311202110212100122
410010131112213
5114434341141
610435232155
71456231160
oct404352647
9152425318
1068277671
11355a5030
121aa4865b
13111b78b7
1490d4767
155eda64b
hex411d5a7

68277671 has 16 divisors (see below), whose sum is σ = 85344000. Its totient is φ = 53066880.

The previous prime is 68277667. The next prime is 68277673. The reversal of 68277671 is 17677286.

It is a cyclic number.

It is not a de Polignac number, because 68277671 - 22 = 68277667 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68277673) 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 in 15 ways as a sum of consecutive naturals, for example, 37535 + ... + 39311.

It is an arithmetic number, because the mean of its divisors is an integer number (5334000).

Almost surely, 268277671 is an apocalyptic number.

68277671 is a deficient number, since it is larger than the sum of its proper divisors (17066329).

68277671 is a wasteful number, since it uses less digits than its factorization.

68277671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2294.

The product of its digits is 197568, while the sum is 44.

The square root of 68277671 is about 8263.0303763208. The cubic root of 68277671 is about 408.7203229832.

The spelling of 68277671 in words is "sixty-eight million, two hundred seventy-seven thousand, six hundred seventy-one".

Divisors: 1 7 11 77 499 1777 3493 5489 12439 19547 38423 136829 886723 6207061 9753953 68277671