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1075284080 = 245131033927
BaseRepresentation
bin100000000010111…
…1000100001110000
32202221100002110022
41000011320201300
54200233042310
6254411023012
735434523003
oct10005704160
92687302408
101075284080
11501a73932
1226013aa68
13141a08b90
14a2b4753a
1564602a55
hex40178870

1075284080 has 40 divisors (see below), whose sum is σ = 2692348512. Its totient is φ = 397027584.

The previous prime is 1075284079. The next prime is 1075284083. The reversal of 1075284080 is 804825701.

It is a tau number, because it is divible by the number of its divisors (40).

It is a self number, because there is not a number n which added to its sum of digits gives 1075284080.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1075284083) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 515924 + ... + 518003.

Almost surely, 21075284080 is an apocalyptic number.

1075284080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1075284080 is an abundant number, since it is smaller than the sum of its proper divisors (1617064432).

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

1075284080 is a wasteful number, since it uses less digits than its factorization.

1075284080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1033953 (or 1033947 counting only the distinct ones).

The product of its (nonzero) digits is 17920, while the sum is 35.

The square root of 1075284080 is about 32791.5245147279. The cubic root of 1075284080 is about 1024.4900354349.

The spelling of 1075284080 in words is "one billion, seventy-five million, two hundred eighty-four thousand, eighty".

Divisors: 1 2 4 5 8 10 13 16 20 26 40 52 65 80 104 130 208 260 520 1040 1033927 2067854 4135708 5169635 8271416 10339270 13441051 16542832 20678540 26882102 41357080 53764204 67205255 82714160 107528408 134410510 215056816 268821020 537642040 1075284080