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68898 = 2311483
BaseRepresentation
bin10000110100100010
310111111210
4100310202
54201043
61250550
7404604
oct206442
9114453
1068898
1147845
1233a56
132548b
141b174
1515633
hex10d22

68898 has 8 divisors (see below), whose sum is σ = 137808. Its totient is φ = 22964.

The previous prime is 68897. The next prime is 68899. The reversal of 68898 is 89886.

It is an interprime number because it is at equal distance from previous prime (68897) and next prime (68899).

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

68898 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (68891) 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, 5736 + ... + 5747.

It is an arithmetic number, because the mean of its divisors is an integer number (17226).

268898 is an apocalyptic number.

68898 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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 (68904).

68898 is a wasteful number, since it uses less digits than its factorization.

68898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11488.

The product of its digits is 27648, while the sum is 39.

The square root of 68898 is about 262.4842852439. The cubic root of 68898 is about 40.9954387153.

The spelling of 68898 in words is "sixty-eight thousand, eight hundred ninety-eight".

Divisors: 1 2 3 6 11483 22966 34449 68898