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68946 = 2311491
BaseRepresentation
bin10000110101010010
310111120120
4100311102
54201241
61251110
7405003
oct206522
9114516
1068946
1147889
1233a96
13254c7
141b1aa
1515666
hex10d52

68946 has 8 divisors (see below), whose sum is σ = 137904. Its totient is φ = 22980.

The previous prime is 68927. The next prime is 68947. The reversal of 68946 is 64986.

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

68946 is an admirable number.

It is a plaindrome in base 11 and base 15.

It is not an unprimeable number, because it can be changed into a prime (68947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5740 + ... + 5751.

It is an arithmetic number, because the mean of its divisors is an integer number (17238).

268946 is an apocalyptic number.

68946 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 (68952).

68946 is a wasteful number, since it uses less digits than its factorization.

68946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11496.

The product of its digits is 10368, while the sum is 33.

The square root of 68946 is about 262.5757033695. The cubic root of 68946 is about 41.0049567674.

The spelling of 68946 in words is "sixty-eight thousand, nine hundred forty-six".

Divisors: 1 2 3 6 11491 22982 34473 68946