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68485671 = 32192107197
BaseRepresentation
bin1000001010100…
…00001000100111
311202212102200100
410011100020213
5120013020141
610443515143
71461055452
oct405201047
9152772610
1068485671
1135727331
121ab28ab3
131125b487
14914a499
15602c0b6
hex4150227

68485671 has 36 divisors (see below), whose sum is σ = 105914952. Its totient is φ = 42632352.

The previous prime is 68485667. The next prime is 68485687. The reversal of 68485671 is 17658486.

It is a happy number.

68485671 is a `hidden beast` number, since 6 + 84 + 8 + 567 + 1 = 666.

It is not a de Polignac number, because 68485671 - 22 = 68485667 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68485661) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 347545 + ... + 347741.

It is an arithmetic number, because the mean of its divisors is an integer number (2942082).

Almost surely, 268485671 is an apocalyptic number.

68485671 is a deficient number, since it is larger than the sum of its proper divisors (37429281).

68485671 is a wasteful number, since it uses less digits than its factorization.

68485671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 348 (or 326 counting only the distinct ones).

The product of its digits is 322560, while the sum is 45.

The square root of 68485671 is about 8275.6069868016. The cubic root of 68485671 is about 409.1349419135.

The spelling of 68485671 in words is "sixty-eight million, four hundred eighty-five thousand, six hundred seventy-one".

Divisors: 1 3 9 19 57 107 171 197 321 361 591 963 1083 1773 2033 3249 3743 6099 11229 18297 21079 33687 38627 63237 71117 115881 189711 213351 347643 400501 640053 1201503 3604509 7609519 22828557 68485671