Base | Representation |
---|---|
bin | 110101110100110… |
… | …0011000001100000 |
3 | 11122212102000121100 |
4 | 1223221203001200 |
5 | 12144322202342 |
6 | 455113554400 |
7 | 62520126006 |
oct | 15351430140 |
9 | 4585360540 |
10 | 1806053472 |
11 | 847519783 |
12 | 424a15a00 |
13 | 22a22c4c2 |
14 | 131c10a76 |
15 | a8851e4c |
hex | 6ba63060 |
1806053472 has 144 divisors (see below), whose sum is σ = 5504859360. Its totient is φ = 560203776.
The previous prime is 1806053437. The next prime is 1806053477. The reversal of 1806053472 is 2743506081.
1806053472 is a `hidden beast` number, since 1 + 8 + 0 + 605 + 3 + 47 + 2 = 666.
It is a tau number, because it is divible by the number of its divisors (144).
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1806053477) 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 23 ways as a sum of consecutive naturals, for example, 241404 + ... + 248772.
It is an arithmetic number, because the mean of its divisors is an integer number (38228190).
Almost surely, 21806053472 is an apocalyptic number.
1806053472 is a gapful number since it is divisible by the number (12) 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 1806053472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2752429680).
1806053472 is an abundant number, since it is smaller than the sum of its proper divisors (3698805888).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1806053472 is a wasteful number, since it uses less digits than its factorization.
1806053472 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7445 (or 7434 counting only the distinct ones).
The product of its (nonzero) digits is 40320, while the sum is 36.
The square root of 1806053472 is about 42497.6878429874. The cubic root of 1806053472 is about 1217.8025192058.
The spelling of 1806053472 in words is "one billion, eight hundred six million, fifty-three thousand, four hundred seventy-two".
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