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1138885104 = 24373389539
BaseRepresentation
bin100001111100010…
…0000000111110000
32221101000100122210
41003320200013300
54313023310404
6305002132120
740136235510
oct10370400760
92841010583
101138885104
11534964265
122794b1040
13151c46c16
14ab381840
1569eb7689
hex43e201f0

1138885104 has 40 divisors (see below), whose sum is σ = 3362423680. Its totient is φ = 325395648.

The previous prime is 1138885103. The next prime is 1138885109. The reversal of 1138885104 is 4015888311.

It is a super-2 number, since 2×11388851042 = 2594118560226181632, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1138885103) 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, 1694434 + ... + 1695105.

It is an arithmetic number, because the mean of its divisors is an integer number (84060592).

Almost surely, 21138885104 is an apocalyptic number.

1138885104 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1138885104 is an abundant number, since it is smaller than the sum of its proper divisors (2223538576).

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

1138885104 is a wasteful number, since it uses less digits than its factorization.

1138885104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3389557 (or 3389551 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 39.

The square root of 1138885104 is about 33747.3718087794. The cubic root of 1138885104 is about 1044.3032691569.

The spelling of 1138885104 in words is "one billion, one hundred thirty-eight million, eight hundred eighty-five thousand, one hundred four".

Divisors: 1 2 3 4 6 7 8 12 14 16 21 24 28 42 48 56 84 112 168 336 3389539 6779078 10168617 13558156 20337234 23726773 27116312 40674468 47453546 54232624 71180319 81348936 94907092 142360638 162697872 189814184 284721276 379628368 569442552 1138885104