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1144788112 = 24135503789
BaseRepresentation
bin100010000111100…
…0001010010010000
32221210010021001201
41010033001102100
54321031204422
6305332440544
740240352446
oct10417012220
92853107051
101144788112
11538226286
1227b479154
13153232a20
14ac07ab96
156a781727
hex443c1490

1144788112 has 20 divisors (see below), whose sum is σ = 2388644860. Its totient is φ = 528363648.

The previous prime is 1144788077. The next prime is 1144788157. The reversal of 1144788112 is 2118874411.

It can be written as a sum of positive squares in 2 ways, for example, as 232989696 + 911798416 = 15264^2 + 30196^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2751687 + ... + 2752102.

It is an arithmetic number, because the mean of its divisors is an integer number (119432243).

Almost surely, 21144788112 is an apocalyptic number.

It is an amenable number.

1144788112 is an abundant number, since it is smaller than the sum of its proper divisors (1243856748).

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

1144788112 is a wasteful number, since it uses less digits than its factorization.

1144788112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5503810 (or 5503804 counting only the distinct ones).

The product of its digits is 14336, while the sum is 37.

The square root of 1144788112 is about 33834.7175546065. The cubic root of 1144788112 is about 1046.1044196970.

It can be divided in two parts, 1144788 and 112, that added together give a square (1144900 = 10702).

The spelling of 1144788112 in words is "one billion, one hundred forty-four million, seven hundred eighty-eight thousand, one hundred twelve".

Divisors: 1 2 4 8 13 16 26 52 104 208 5503789 11007578 22015156 44030312 71549257 88060624 143098514 286197028 572394056 1144788112