Base | Representation |
---|---|
bin | 111000010100111… |
… | …0001111001011000 |
3 | 11212201100222020111 |
4 | 1300221301321120 |
5 | 12332320003342 |
6 | 511313134104 |
7 | 64556511313 |
oct | 16051617130 |
9 | 4781328214 |
10 | 1890000472 |
11 | 88a946368 |
12 | 448b5a334 |
13 | 241742299 |
14 | 13d02397a |
15 | b0dd5217 |
hex | 70a71e58 |
1890000472 has 16 divisors (see below), whose sum is σ = 3619150560. Its totient is φ = 924893664.
The previous prime is 1890000461. The next prime is 1890000491. The reversal of 1890000472 is 2740000981.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2512923 + ... + 2513674.
It is an arithmetic number, because the mean of its divisors is an integer number (226196910).
Almost surely, 21890000472 is an apocalyptic number.
It is an amenable number.
1890000472 is a deficient number, since it is larger than the sum of its proper divisors (1729150088).
1890000472 is a wasteful number, since it uses less digits than its factorization.
1890000472 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5026650 (or 5026646 counting only the distinct ones).
The product of its (nonzero) digits is 4032, while the sum is 31.
The square root of 1890000472 is about 43474.1356670837. The cubic root of 1890000472 is about 1236.3856928657.
The spelling of 1890000472 in words is "one billion, eight hundred ninety million, four hundred seventy-two", and thus it is an aban number.
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