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68257116 = 22321896031
BaseRepresentation
bin1000001000110…
…00010101011100
311202102211011100
410010120111130
5114433211431
610434553100
71456114224
oct404302534
9152384140
1068257116
1135590644
121aa38790
13111ab435
1490cb084
155ed44e6
hex411855c

68257116 has 18 divisors (see below), whose sum is σ = 172538912. Its totient is φ = 22752360.

The previous prime is 68257081. The next prime is 68257127. The reversal of 68257116 is 61175286.

68257116 is a `hidden beast` number, since 6 + 82 + 571 + 1 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 1896031 = 68257116 / (6 + 8 + 2 + 5 + 7 + 1 + 1 + 6).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 947980 + ... + 948051.

Almost surely, 268257116 is an apocalyptic number.

It is an amenable number.

68257116 is an abundant number, since it is smaller than the sum of its proper divisors (104281796).

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

68257116 is a wasteful number, since it uses less digits than its factorization.

68257116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1896041 (or 1896036 counting only the distinct ones).

The product of its digits is 20160, while the sum is 36.

The square root of 68257116 is about 8261.7864896159. The cubic root of 68257116 is about 408.6793037680.

The spelling of 68257116 in words is "sixty-eight million, two hundred fifty-seven thousand, one hundred sixteen".

Divisors: 1 2 3 4 6 9 12 18 36 1896031 3792062 5688093 7584124 11376186 17064279 22752372 34128558 68257116