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68485653 = 327996323
BaseRepresentation
bin1000001010100…
…00001000010101
311202212102122200
410011100020111
5120013020103
610443515113
71461055425
oct405201025
9152772580
1068485653
1135727315
121ab28a99
131125b472
14914a485
15602c0a3
hex4150215

68485653 has 12 divisors (see below), whose sum is σ = 100176960. Its totient is φ = 45078696.

The previous prime is 68485649. The next prime is 68485657. The reversal of 68485653 is 35658486.

68485653 is a `hidden beast` number, since 6 + 84 + 8 + 565 + 3 = 666.

It is an interprime number because it is at equal distance from previous prime (68485649) and next prime (68485657).

It is not a de Polignac number, because 68485653 - 22 = 68485649 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 68485599 and 68485608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68485657) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 47451 + ... + 48872.

It is an arithmetic number, because the mean of its divisors is an integer number (8348080).

Almost surely, 268485653 is an apocalyptic number.

It is an amenable number.

68485653 is a deficient number, since it is larger than the sum of its proper divisors (31691307).

68485653 is a wasteful number, since it uses less digits than its factorization.

68485653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96408 (or 96405 counting only the distinct ones).

The product of its digits is 691200, while the sum is 45.

The square root of 68485653 is about 8275.6058992680. The cubic root of 68485653 is about 409.1349060694.

The spelling of 68485653 in words is "sixty-eight million, four hundred eighty-five thousand, six hundred fifty-three".

Divisors: 1 3 9 79 237 711 96323 288969 866907 7609517 22828551 68485653