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64868848 = 2411596247
BaseRepresentation
bin1111011101110…
…1000111110000
311112001200022221
43313131013300
5113101300343
610234210424
71415243002
oct367350760
9145050287
1064868848
1133686a20
1219883a14
1310593145
148888372
155a655ed
hex3ddd1f0

64868848 has 40 divisors (see below), whose sum is σ = 139455360. Its totient is φ = 28981440.

The previous prime is 64868813. The next prime is 64868851. The reversal of 64868848 is 84886846.

It is a junction number, because it is equal to n+sod(n) for n = 64868795 and 64868804.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7261 + ... + 13507.

It is an arithmetic number, because the mean of its divisors is an integer number (3486384).

Almost surely, 264868848 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 64868848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69727680).

64868848 is an abundant number, since it is smaller than the sum of its proper divisors (74586512).

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

64868848 is a wasteful number, since it uses less digits than its factorization.

64868848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6325 (or 6319 counting only the distinct ones).

The product of its digits is 2359296, while the sum is 52.

The square root of 64868848 is about 8054.1199395092. The cubic root of 64868848 is about 401.8019700697.

It can be divided in two parts, 648 and 68848, that added together give a palindrome (69496).

The spelling of 64868848 in words is "sixty-four million, eight hundred sixty-eight thousand, eight hundred forty-eight".

Divisors: 1 2 4 8 11 16 22 44 59 88 118 176 236 472 649 944 1298 2596 5192 6247 10384 12494 24988 49976 68717 99952 137434 274868 368573 549736 737146 1099472 1474292 2948584 4054303 5897168 8108606 16217212 32434424 64868848