Base | Representation |
---|---|
bin | 1001010011000… |
… | …1001011101000 |
3 | 2201101100020112 |
4 | 2110301023220 |
5 | 34440430020 |
6 | 3511513452 |
7 | 652325003 |
oct | 224611350 |
9 | 81340215 |
10 | 38998760 |
11 | 20017389 |
12 | 11088888 |
13 | 8105bb8 |
14 | 527253a |
15 | 36552c5 |
hex | 25312e8 |
38998760 has 16 divisors (see below), whose sum is σ = 87747300. Its totient is φ = 15599488.
The previous prime is 38998747. The next prime is 38998763. The reversal of 38998760 is 6789983.
It can be written as a sum of positive squares in 2 ways, for example, as 35022724 + 3976036 = 5918^2 + 1994^2 .
It is a junction number, because it is equal to n+sod(n) for n = 38998699 and 38998708.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (38998763) by changing a digit.
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 3 ways as a sum of consecutive naturals, for example, 487445 + ... + 487524.
Almost surely, 238998760 is an apocalyptic number.
It is an amenable number.
38998760 is an abundant number, since it is smaller than the sum of its proper divisors (48748540).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
38998760 is a wasteful number, since it uses less digits than its factorization.
38998760 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 974980 (or 974976 counting only the distinct ones).
The product of its (nonzero) digits is 653184, while the sum is 50.
The square root of 38998760 is about 6244.8987181539. The cubic root of 38998760 is about 339.1175501589.
The spelling of 38998760 in words is "thirty-eight million, nine hundred ninety-eight thousand, seven hundred sixty".
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