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68453 = 7211127
BaseRepresentation
bin10000101101100101
310110220022
4100231211
54142303
61244525
7403400
oct205545
9113808
1068453
1147480
1233745
1325208
141ad37
1515438
hex10b65

68453 has 12 divisors (see below), whose sum is σ = 87552. Its totient is φ = 52920.

The previous prime is 68449. The next prime is 68473. The reversal of 68453 is 35486.

It is not a de Polignac number, because 68453 - 22 = 68449 is a prime.

It is a Smith number, since the sum of its digits (26) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68443) 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, 476 + ... + 602.

It is an arithmetic number, because the mean of its divisors is an integer number (7296).

268453 is an apocalyptic number.

It is an amenable number.

68453 is a deficient number, since it is larger than the sum of its proper divisors (19099).

68453 is a wasteful number, since it uses less digits than its factorization.

68453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152 (or 145 counting only the distinct ones).

The product of its digits is 2880, while the sum is 26.

The square root of 68453 is about 261.6352422744. The cubic root of 68453 is about 40.9069872469.

It can be divided in two parts, 684 and 53, that added together give a palindrome (737).

The spelling of 68453 in words is "sixty-eight thousand, four hundred fifty-three".

Divisors: 1 7 11 49 77 127 539 889 1397 6223 9779 68453