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1489328064 = 263272291613
BaseRepresentation
bin101100011000101…
…0101011111000000
310211210102201000200
41120301111133000
511022231444224
6403441245200
751623036220
oct13061253700
93753381020
101489328064
116a4761244
12356933800
131a9726913
14101b26080
158ab3c5c9
hex58c557c0

1489328064 has 168 divisors, whose sum is σ = 4903073760. Its totient is φ = 423401472.

The previous prime is 1489328063. The next prime is 1489328117. The reversal of 1489328064 is 4608239841.

It is a happy number.

1489328064 is a `hidden beast` number, since 1 + 489 + 32 + 80 + 64 = 666.

It is a tau number, because it is divible by the number of its divisors (168).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1489328063) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 922522 + ... + 924134.

Almost surely, 21489328064 is an apocalyptic number.

1489328064 is a gapful number since it is divisible by the number (14) 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 1489328064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2451536880).

1489328064 is an abundant number, since it is smaller than the sum of its proper divisors (3413745696).

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

1489328064 is a wasteful number, since it uses less digits than its factorization.

1489328064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1867 (or 1854 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 45.

The square root of 1489328064 is about 38591.8134323849. The cubic root of 1489328064 is about 1141.9930417325.

The spelling of 1489328064 in words is "one billion, four hundred eighty-nine million, three hundred twenty-eight thousand, sixty-four".