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1489428798 = 2311131735931
BaseRepresentation
bin101100011000110…
…1110000100111110
310211210121211012120
41120301232010332
511022243210143
6403443343410
751623636004
oct13061560476
93753554176
101489428798
116a481a9a0
12356981b66
131a9760720
14101b50a74
158ab5c383
hex58c6e13e

1489428798 has 32 divisors (see below), whose sum is σ = 3499638912. Its totient is φ = 416623200.

The previous prime is 1489428767. The next prime is 1489428823. The reversal of 1489428798 is 8978249841.

It is a happy number.

1489428798 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 867108 + ... + 868823.

It is an arithmetic number, because the mean of its divisors is an integer number (109363716).

Almost surely, 21489428798 is an apocalyptic number.

1489428798 is an abundant number, since it is smaller than the sum of its proper divisors (2010210114).

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

1489428798 is a wasteful number, since it uses less digits than its factorization.

1489428798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1735960.

The product of its digits is 9289728, while the sum is 60.

The square root of 1489428798 is about 38593.1185316761. The cubic root of 1489428798 is about 1142.0187882277.

The spelling of 1489428798 in words is "one billion, four hundred eighty-nine million, four hundred twenty-eight thousand, seven hundred ninety-eight".

Divisors: 1 2 3 6 11 13 22 26 33 39 66 78 143 286 429 858 1735931 3471862 5207793 10415586 19095241 22567103 38190482 45134206 57285723 67701309 114571446 135402618 248238133 496476266 744714399 1489428798