| Base | Representation |
|---|---|
| bin | 111110111001001… |
| … | …010010011100000 |
| 3 | 2201112111021121100 |
| 4 | 332321022103200 |
| 5 | 4130110444213 |
| 6 | 252411554400 |
| 7 | 35101545435 |
| oct | 7671122340 |
| 9 | 2645437540 |
| 10 | 1055171808 |
| 11 | 4a1687219 |
| 12 | 25545ba00 |
| 13 | 13a7b6622 |
| 14 | a01cdb8c |
| 15 | 6297d773 |
| hex | 3ee4a4e0 |
1055171808 has 144 divisors (see below), whose sum is σ = 3092281920. Its totient is φ = 341127168.
The previous prime is 1055171801. The next prime is 1055171863. The reversal of 1055171808 is 8081715501.
It is a happy number.
1055171808 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a tau number, because it is divible by the number of its divisors (144).
It is a super-2 number, since 2×10551718082 = 2226775088795977728, which contains 22 as substring.
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 (1055171801) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1854148 + ... + 1854716.
It is an arithmetic number, because the mean of its divisors is an integer number (21474180).
Almost surely, 21055171808 is an apocalyptic number.
1055171808 is a gapful number since it is divisible by the number (18) 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 1055171808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1546140960).
1055171808 is an abundant number, since it is smaller than the sum of its proper divisors (2037110112).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1055171808 is a wasteful number, since it uses less digits than its factorization.
1055171808 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 769 (or 758 counting only the distinct ones).
The product of its (nonzero) digits is 11200, while the sum is 36.
The square root of 1055171808 is about 32483.4081955696. The cubic root of 1055171808 is about 1018.0623885042.
The spelling of 1055171808 in words is "one billion, fifty-five million, one hundred seventy-one thousand, eight hundred eight".
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