Base | Representation |
---|---|
bin | 111000110010001… |
… | …0101100100010010 |
3 | 11220210020212002222 |
4 | 1301210111210102 |
5 | 12400232212210 |
6 | 513022141042 |
7 | 65134133660 |
oct | 16144254422 |
9 | 4823225088 |
10 | 1905350930 |
11 | 89858039a |
12 | 452121782 |
13 | 2449882b2 |
14 | 14109bc30 |
15 | b2418655 |
hex | 71915912 |
1905350930 has 32 divisors (see below), whose sum is σ = 3922439040. Its totient is φ = 652786560.
The previous prime is 1905350917. The next prime is 1905350977. The reversal of 1905350930 is 390535091.
It is a Harshad number since it is a multiple of its sum of digits (35).
It is an unprimeable number.
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 15 ways as a sum of consecutive naturals, for example, 94481 + ... + 112859.
It is an arithmetic number, because the mean of its divisors is an integer number (122576220).
Almost surely, 21905350930 is an apocalyptic number.
1905350930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1905350930 is an abundant number, since it is smaller than the sum of its proper divisors (2017088110).
1905350930 is a wasteful number, since it uses less digits than its factorization.
1905350930 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 19874.
The product of its (nonzero) digits is 18225, while the sum is 35.
The square root of 1905350930 is about 43650.3256574335. The cubic root of 1905350930 is about 1239.7239521653.
The spelling of 1905350930 in words is "one billion, nine hundred five million, three hundred fifty thousand, nine hundred thirty".
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