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64968 = 2332707
BaseRepresentation
bin1111110111001000
310022010020
433313020
54034333
61220440
7360261
oct176710
9108106
1064968
11448a2
1231720
1323757
1419968
15143b3
hexfdc8

64968 has 16 divisors (see below), whose sum is σ = 162480. Its totient is φ = 21648.

The previous prime is 64951. The next prime is 64969. The reversal of 64968 is 86946.

64968 = T82 + T83 + ... + T97.

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (64969) by changing a digit.

64968 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1330 + ... + 1377.

It is an arithmetic number, because the mean of its divisors is an integer number (10155).

264968 is an apocalyptic number.

It is an amenable number.

64968 is an abundant number, since it is smaller than the sum of its proper divisors (97512).

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 (81240).

64968 is a wasteful number, since it uses less digits than its factorization.

64968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2716 (or 2712 counting only the distinct ones).

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

The square root of 64968 is about 254.8882107905. Note that the first 3 decimals coincide. The cubic root of 64968 is about 40.2006583888.

It can be divided in two parts, 649 and 68, that added together give a palindrome (717).

The spelling of 64968 in words is "sixty-four thousand, nine hundred sixty-eight".

Divisors: 1 2 3 4 6 8 12 24 2707 5414 8121 10828 16242 21656 32484 64968