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68853 = 359389
BaseRepresentation
bin10000110011110101
310111110010
4100303311
54200403
61250433
7404511
oct206365
9114403
1068853
1147804
1233a19
1325455
141b141
1515603
hex10cf5

68853 has 8 divisors (see below), whose sum is σ = 93600. Its totient is φ = 45008.

The previous prime is 68821. The next prime is 68863. The reversal of 68853 is 35886.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 68853 - 25 = 68821 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 68853.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68813) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18 + ... + 371.

It is an arithmetic number, because the mean of its divisors is an integer number (11700).

268853 is an apocalyptic number.

It is an amenable number.

68853 is a deficient number, since it is larger than the sum of its proper divisors (24747).

68853 is a wasteful number, since it uses less digits than its factorization.

68853 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 451.

The product of its digits is 5760, while the sum is 30.

The square root of 68853 is about 262.3985518253. The cubic root of 68853 is about 40.9865115257.

It can be divided in two parts, 688 and 53, that added together give a triangular number (741 = T38).

The spelling of 68853 in words is "sixty-eight thousand, eight hundred fifty-three".

Divisors: 1 3 59 177 389 1167 22951 68853