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68488 = 2371223
BaseRepresentation
bin10000101110001000
310110221121
4100232020
54142423
61245024
7403450
oct205610
9113847
1068488
1147502
1233774
1325234
141ad60
151545d
hex10b88

68488 has 16 divisors (see below), whose sum is σ = 146880. Its totient is φ = 29328.

The previous prime is 68483. The next prime is 68489. The reversal of 68488 is 88486.

It is a super-2 number, since 2×684882 = 9381212288, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (68483) 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, 556 + ... + 667.

It is an arithmetic number, because the mean of its divisors is an integer number (9180).

268488 is an apocalyptic number.

It is an amenable number.

68488 is an abundant number, since it is smaller than the sum of its proper divisors (78392).

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

It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73440).

68488 is a wasteful number, since it uses less digits than its factorization.

68488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1236 (or 1232 counting only the distinct ones).

The product of its digits is 12288, while the sum is 34.

The square root of 68488 is about 261.7021207404. The cubic root of 68488 is about 40.9139579694.

The spelling of 68488 in words is "sixty-eight thousand, four hundred eighty-eight".

Divisors: 1 2 4 7 8 14 28 56 1223 2446 4892 8561 9784 17122 34244 68488