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12118484 = 2272173637
BaseRepresentation
bin101110001110…
…100111010100
3211210200102202
4232032213110
511100242414
61111424032
7205001600
oct56164724
924720382
1012118484
116927884
124085018
132683c01
141876500
1510e59de
hexb8e9d4

12118484 has 36 divisors (see below), whose sum is σ = 26128116. Its totient is φ = 4886784.

The previous prime is 12118481. The next prime is 12118487. The reversal of 12118484 is 48481121.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (12118481) and next prime (12118487).

It can be written as a sum of positive squares in 2 ways, for example, as 4120900 + 7997584 = 2030^2 + 2828^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12118481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1514 + ... + 5150.

It is an arithmetic number, because the mean of its divisors is an integer number (725781).

Almost surely, 212118484 is an apocalyptic number.

12118484 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12118484, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13064058).

12118484 is an abundant number, since it is smaller than the sum of its proper divisors (14009632).

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

12118484 is a wasteful number, since it uses less digits than its factorization.

12118484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3672 (or 3663 counting only the distinct ones).

The product of its digits is 2048, while the sum is 29.

The square root of 12118484 is about 3481.1613004858. The cubic root of 12118484 is about 229.6938838740.

The spelling of 12118484 in words is "twelve million, one hundred eighteen thousand, four hundred eighty-four".

Divisors: 1 2 4 7 14 17 28 34 49 68 98 119 196 238 476 833 1666 3332 3637 7274 14548 25459 50918 61829 101836 123658 178213 247316 356426 432803 712852 865606 1731212 3029621 6059242 12118484