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1118075838 = 231116940543
BaseRepresentation
bin100001010100100…
…0111101110111110
32212220212010201020
41002221013232332
54242211411323
6302540125010
736464326215
oct10251075676
92786763636
101118075838
11524140a20
12272536766
1314a83c349
14a86c607c
1568256ae3
hex42a47bbe

1118075838 has 16 divisors (see below), whose sum is σ = 2439438336. Its totient is φ = 338810840.

The previous prime is 1118075821. The next prime is 1118075851. The reversal of 1118075838 is 8385708111.

It is a self number, because there is not a number n which added to its sum of digits gives 1118075838.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8470206 + ... + 8470337.

It is an arithmetic number, because the mean of its divisors is an integer number (152464896).

Almost surely, 21118075838 is an apocalyptic number.

1118075838 is an abundant number, since it is smaller than the sum of its proper divisors (1321362498).

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

1118075838 is a wasteful number, since it uses less digits than its factorization.

1118075838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16940559.

The product of its (nonzero) digits is 53760, while the sum is 42.

The square root of 1118075838 is about 33437.6410352166. The cubic root of 1118075838 is about 1037.9037651954.

The spelling of 1118075838 in words is "one billion, one hundred eighteen million, seventy-five thousand, eight hundred thirty-eight".

Divisors: 1 2 3 6 11 22 33 66 16940543 33881086 50821629 101643258 186345973 372691946 559037919 1118075838