Base | Representation |
---|---|
bin | 111000001100000… |
… | …0010100011001010 |
3 | 11212101121201010010 |
4 | 1300120002203022 |
5 | 12330122200330 |
6 | 511025332350 |
7 | 64502132331 |
oct | 16030024312 |
9 | 4771551103 |
10 | 1885350090 |
11 | 88825a478 |
12 | 4474970b6 |
13 | 2407a4690 |
14 | 13c572d18 |
15 | b07b73b0 |
hex | 706028ca |
1885350090 has 32 divisors (see below), whose sum is σ = 4872905856. Its totient is φ = 464086080.
The previous prime is 1885350083. The next prime is 1885350091. The reversal of 1885350090 is 900535881.
It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a Harshad number since it is a multiple of its sum of digits (39).
It is not an unprimeable number, because it can be changed into a prime (1885350091) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2416726 + ... + 2417505.
It is an arithmetic number, because the mean of its divisors is an integer number (152278308).
Almost surely, 21885350090 is an apocalyptic number.
1885350090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1885350090 is an abundant number, since it is smaller than the sum of its proper divisors (2987555766).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1885350090 is a wasteful number, since it uses less digits than its factorization.
1885350090 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4834254.
The product of its (nonzero) digits is 43200, while the sum is 39.
The square root of 1885350090 is about 43420.6182590713. The cubic root of 1885350090 is about 1235.3708098831.
The spelling of 1885350090 in words is "one billion, eight hundred eighty-five million, three hundred fifty thousand, ninety".
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