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68888 = 2379109
BaseRepresentation
bin10000110100011000
310111111102
4100310120
54201023
61250532
7404561
oct206430
9114442
1068888
1147836
1233a48
1325481
141b168
1515628
hex10d18

68888 has 16 divisors (see below), whose sum is σ = 132000. Its totient is φ = 33696.

The previous prime is 68881. The next prime is 68891. The reversal of 68888 is 88886.

It is a plaindrome in base 10.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 68888.

It is not an unprimeable number, because it can be changed into a prime (68881) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 578 + ... + 686.

It is an arithmetic number, because the mean of its divisors is an integer number (8250).

268888 is an apocalyptic number.

It is an amenable number.

68888 is a deficient number, since it is larger than the sum of its proper divisors (63112).

68888 is a wasteful number, since it uses less digits than its factorization.

68888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194 (or 190 counting only the distinct ones).

The product of its digits is 24576, while the sum is 38.

The square root of 68888 is about 262.4652357932. The cubic root of 68888 is about 40.9934552314.

The spelling of 68888 in words is "sixty-eight thousand, eight hundred eighty-eight".