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BaseRepresentation
bin1111110101010110
310021222000
433311112
54033404
61220130
7360036
oct176526
9107860
1064854
11447a9
1231646
132369a
14198c6
1514339
hexfd56

64854 has 16 divisors (see below), whose sum is σ = 144240. Its totient is φ = 21600.

The previous prime is 64853. The next prime is 64871. The reversal of 64854 is 45846.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a plaindrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64853) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 547 + ... + 654.

It is an arithmetic number, because the mean of its divisors is an integer number (9015).

264854 is an apocalyptic number.

64854 is an abundant number, since it is smaller than the sum of its proper divisors (79386).

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 (72120).

64854 is a wasteful number, since it uses less digits than its factorization.

64854 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1212 (or 1206 counting only the distinct ones).

The product of its digits is 3840, while the sum is 27.

The square root of 64854 is about 254.6644851565. The cubic root of 64854 is about 40.1771311230.

The spelling of 64854 in words is "sixty-four thousand, eight hundred fifty-four".