Search a number
-
+
1482806640 = 243572177417
BaseRepresentation
bin101100001100001…
…1101010101110000
310211100011101022110
41120120131111300
511014044303030
6403045405320
751513435300
oct13030352560
93740141273
101482806640
116a1007637
12354709840
131a82824a3
14100d09600
158a2a01b0
hex5861d570

1482806640 has 240 divisors, whose sum is σ = 5662485792. Its totient is φ = 318947328.

The previous prime is 1482806639. The next prime is 1482806651. The reversal of 1482806640 is 466082841.

It is a tau number, because it is divible by the number of its divisors (240).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 196212 + ... + 203628.

Almost surely, 21482806640 is an apocalyptic number.

1482806640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1482806640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2831242896).

1482806640 is an abundant number, since it is smaller than the sum of its proper divisors (4179679152).

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

1482806640 is a wasteful number, since it uses less digits than its factorization.

1482806640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7464 (or 7451 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 39.

The square root of 1482806640 is about 38507.2284123384. The cubic root of 1482806640 is about 1140.3237615360.

The spelling of 1482806640 in words is "one billion, four hundred eighty-two million, eight hundred six thousand, six hundred forty".