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1489542912 = 283311213137
BaseRepresentation
bin101100011001000…
…1001111100000000
310211210211121202000
41120302021330000
511022310333122
6403450024000
751624622464
oct13062117400
93753747660
101489542912
116a4898700
12356a18000
131a97a0650
14101b804a4
158ab810ac
hex58c89f00

1489542912 has 432 divisors, whose sum is σ = 5252180640. Its totient is φ = 413614080.

The previous prime is 1489542911. The next prime is 1489542917. The reversal of 1489542912 is 2192459841.

It is a happy number.

1489542912 is a `hidden beast` number, since 14 + 8 + 9 + 542 + 91 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (432).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1489542911) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 10872508 + ... + 10872644.

Almost surely, 21489542912 is an apocalyptic number.

1489542912 is a gapful number since it is divisible by the number (12) 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 1489542912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2626090320).

1489542912 is an abundant number, since it is smaller than the sum of its proper divisors (3762637728).

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

1489542912 is a wasteful number, since it uses less digits than its factorization.

1489542912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197 (or 166 counting only the distinct ones).

The product of its digits is 207360, while the sum is 45.

The square root of 1489542912 is about 38594.5969275493. The cubic root of 1489542912 is about 1142.0479531004.

The spelling of 1489542912 in words is "one billion, four hundred eighty-nine million, five hundred forty-two thousand, nine hundred twelve".