Base | Representation |
---|---|
bin | 111011011000000… |
… | …0011010000100000 |
3 | 12010211212201102201 |
4 | 1312300003100200 |
5 | 13040012321434 |
6 | 525410022544 |
7 | 100241223250 |
oct | 16660032040 |
9 | 5124781381 |
10 | 1992307744 |
11 | 932673329 |
12 | 477277a54 |
13 | 2599b302b |
14 | 14c855960 |
15 | b9d93614 |
hex | 76c03420 |
1992307744 has 48 divisors (see below), whose sum is σ = 4488378048. Its totient is φ = 852763392.
The previous prime is 1992307729. The next prime is 1992307753. The reversal of 1992307744 is 4477032991.
It is a junction number, because it is equal to n+sod(n) for n = 1992307694 and 1992307703.
It is an unprimeable number.
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 7 ways as a sum of consecutive naturals, for example, 185859 + ... + 196285.
It is an arithmetic number, because the mean of its divisors is an integer number (93507876).
Almost surely, 21992307744 is an apocalyptic number.
1992307744 is a gapful number since it is divisible by the number (14) formed by its first and last digit.
It is an amenable number.
1992307744 is an abundant number, since it is smaller than the sum of its proper divisors (2496070304).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1992307744 is a wasteful number, since it uses less digits than its factorization.
1992307744 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 11297 (or 11289 counting only the distinct ones).
The product of its (nonzero) digits is 381024, while the sum is 46.
The square root of 1992307744 is about 44635.2746602953. The cubic root of 1992307744 is about 1258.3037020677.
The spelling of 1992307744 in words is "one billion, nine hundred ninety-two million, three hundred seven thousand, seven hundred forty-four".
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