Base | Representation |
---|---|
bin | 111000110011111… |
… | …1010110110010000 |
3 | 11220212000120100201 |
4 | 1301213322312100 |
5 | 12401002240224 |
6 | 513054224544 |
7 | 65145124660 |
oct | 16147726620 |
9 | 4825016321 |
10 | 1906290064 |
11 | 899061a38 |
12 | 4524b5154 |
13 | 244c268b3 |
14 | 1412641a0 |
15 | b2551a44 |
hex | 719fad90 |
1906290064 has 40 divisors (see below), whose sum is σ = 4443237440. Its totient is φ = 773981568.
The previous prime is 1906290049. The next prime is 1906290101. The reversal of 1906290064 is 4600926091.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 445779 + ... + 450034.
It is an arithmetic number, because the mean of its divisors is an integer number (111080936).
Almost surely, 21906290064 is an apocalyptic number.
1906290064 is a gapful number since it is divisible by the number (14) formed by its first and last digit.
It is an amenable number.
1906290064 is an abundant number, since it is smaller than the sum of its proper divisors (2536947376).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1906290064 is a wasteful number, since it uses less digits than its factorization.
1906290064 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 895847 (or 895841 counting only the distinct ones).
The product of its (nonzero) digits is 23328, while the sum is 37.
The square root of 1906290064 is about 43661.0818006151. The cubic root of 1906290064 is about 1239.9276024329.
The spelling of 1906290064 in words is "one billion, nine hundred six million, two hundred ninety thousand, sixty-four".
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