Base | Representation |
---|---|
bin | 111011010000011… |
… | …0001000110111100 |
3 | 12010120100011112211 |
4 | 1312200301012330 |
5 | 13033001114434 |
6 | 525144110204 |
7 | 100162165426 |
oct | 16640610674 |
9 | 5116304484 |
10 | 1988301244 |
11 | 930387176 |
12 | 475a65364 |
13 | 258c0c517 |
14 | 14c0d1816 |
15 | b9851464 |
hex | 768311bc |
1988301244 has 12 divisors (see below), whose sum is σ = 3479851368. Its totient is φ = 994058000.
The previous prime is 1988301199. The next prime is 1988301311. The reversal of 1988301244 is 4421038891.
It is a junction number, because it is equal to n+sod(n) for n = 1988301197 and 1988301206.
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, 52899 + ... + 82309.
It is an arithmetic number, because the mean of its divisors is an integer number (289987614).
Almost surely, 21988301244 is an apocalyptic number.
It is an amenable number.
1988301244 is a deficient number, since it is larger than the sum of its proper divisors (1491550124).
1988301244 is a wasteful number, since it uses less digits than its factorization.
1988301244 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 46316 (or 46314 counting only the distinct ones).
The product of its (nonzero) digits is 55296, while the sum is 40.
The square root of 1988301244 is about 44590.3716512881. The cubic root of 1988301244 is about 1257.4596596139.
The spelling of 1988301244 in words is "one billion, nine hundred eighty-eight million, three hundred one thousand, two hundred forty-four".
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