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1489532028 = 2231031205123
BaseRepresentation
bin101100011001000…
…0111010001111100
310211210211001210220
41120302013101330
511022310011103
6403445501340
751624545655
oct13062072174
93753731726
101489532028
116a4890506
12356a11850
131a97986ca
14101b7a52c
158ab7cc53
hex58c8747c

1489532028 has 24 divisors (see below), whose sum is σ = 3509321088. Its totient is φ = 491689776.

The previous prime is 1489531973. The next prime is 1489532039. The reversal of 1489532028 is 8202359841.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 601326 + ... + 603797.

It is an arithmetic number, because the mean of its divisors is an integer number (146221712).

Almost surely, 21489532028 is an apocalyptic number.

It is an amenable number.

1489532028 is an abundant number, since it is smaller than the sum of its proper divisors (2019789060).

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

1489532028 is a wasteful number, since it uses less digits than its factorization.

1489532028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1205233 (or 1205231 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 42.

The square root of 1489532028 is about 38594.4559230986. The cubic root of 1489532028 is about 1142.0451714685.

The spelling of 1489532028 in words is "one billion, four hundred eighty-nine million, five hundred thirty-two thousand, twenty-eight".

Divisors: 1 2 3 4 6 12 103 206 309 412 618 1236 1205123 2410246 3615369 4820492 7230738 14461476 124127669 248255338 372383007 496510676 744766014 1489532028