Search a number
-
+
51324016 = 2419197857
BaseRepresentation
bin1100001111001…
…0010001110000
310120120112022111
43003302101300
5101114332031
65032015104
71162150462
oct303622160
9116515274
1051324016
1126a75547
1215231494
13a82cc53
146b60132
15478c1b1
hex30f2470

51324016 has 40 divisors (see below), whose sum is σ = 105328080. Its totient is φ = 24159744.

The previous prime is 51323989. The next prime is 51324023. The reversal of 51324016 is 61042315.

It is a congruent number.

It is an unprimeable number.

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, 59460 + ... + 60316.

It is an arithmetic number, because the mean of its divisors is an integer number (2633202).

Almost surely, 251324016 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 51324016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52664040).

51324016 is an abundant number, since it is smaller than the sum of its proper divisors (54004064).

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

51324016 is a wasteful number, since it uses less digits than its factorization.

51324016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1081 (or 1075 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 51324016 is about 7164.0781681944. The cubic root of 51324016 is about 371.6266729093.

The spelling of 51324016 in words is "fifty-one million, three hundred twenty-four thousand, sixteen".

Divisors: 1 2 4 8 16 19 38 76 152 197 304 394 788 857 1576 1714 3152 3428 3743 6856 7486 13712 14972 16283 29944 32566 59888 65132 130264 168829 260528 337658 675316 1350632 2701264 3207751 6415502 12831004 25662008 51324016