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63144672 = 253976781
BaseRepresentation
bin1111000011100…
…0001011100000
311101211002012120
43300320023200
5112131112142
610133224240
71364502153
oct360701340
9141732176
1063144672
1132709588
1219192080
131010b416
148559c9a
1558247ec
hex3c382e0

63144672 has 48 divisors (see below), whose sum is σ = 167488272. Its totient is φ = 20828160.

The previous prime is 63144671. The next prime is 63144703. The reversal of 63144672 is 27644136.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63144671) 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, 5922 + ... + 12702.

It is an arithmetic number, because the mean of its divisors is an integer number (3489339).

Almost surely, 263144672 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 63144672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83744136).

63144672 is an abundant number, since it is smaller than the sum of its proper divisors (104343600).

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

63144672 is a wasteful number, since it uses less digits than its factorization.

63144672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6891 (or 6883 counting only the distinct ones).

The product of its digits is 24192, while the sum is 33.

The square root of 63144672 is about 7946.3621865606. The cubic root of 63144672 is about 398.2100689813.

The spelling of 63144672 in words is "sixty-three million, one hundred forty-four thousand, six hundred seventy-two".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 96 97 194 291 388 582 776 1164 1552 2328 3104 4656 6781 9312 13562 20343 27124 40686 54248 81372 108496 162744 216992 325488 650976 657757 1315514 1973271 2631028 3946542 5262056 7893084 10524112 15786168 21048224 31572336 63144672