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1485788128 = 251119921211
BaseRepresentation
bin101100010001111…
…0101001111100000
310211112202212010221
41120203311033200
511020330210003
6403233332424
751550663546
oct13043651740
93745685127
101485788128
116a2763680
12355707114
131a8a87596
14101483d96
158a68d7bd
hex588f53e0

1485788128 has 48 divisors (see below), whose sum is σ = 3207254400. Its totient is φ = 671932800.

The previous prime is 1485788107. The next prime is 1485788141. The reversal of 1485788128 is 8218875841.

It is a super-2 number, since 2×14857881282 = 4415132722611488768, which contains 22 as substring.

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, 59443 + ... + 80653.

It is an arithmetic number, because the mean of its divisors is an integer number (66817800).

Almost surely, 21485788128 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1485788128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1603627200).

1485788128 is an abundant number, since it is smaller than the sum of its proper divisors (1721466272).

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

1485788128 is a wasteful number, since it uses less digits than its factorization.

1485788128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21431 (or 21423 counting only the distinct ones).

The product of its digits is 1146880, while the sum is 52.

The square root of 1485788128 is about 38545.9223264926. The cubic root of 1485788128 is about 1141.0875350796.

The spelling of 1485788128 in words is "one billion, four hundred eighty-five million, seven hundred eighty-eight thousand, one hundred twenty-eight".

Divisors: 1 2 4 8 11 16 22 32 44 88 176 199 352 398 796 1592 2189 3184 4378 6368 8756 17512 21211 35024 42422 70048 84844 169688 233321 339376 466642 678752 933284 1866568 3733136 4220989 7466272 8441978 16883956 33767912 46430879 67535824 92861758 135071648 185723516 371447032 742894064 1485788128