Base | Representation |
---|---|
bin | 100111101000… |
… | …000111100010 |
3 | 201112202120110 |
4 | 213220013202 |
5 | 10124403223 |
6 | 1010352150 |
7 | 154203351 |
oct | 47500742 |
9 | 21482513 |
10 | 10387938 |
11 | 5955680 |
12 | 358b656 |
13 | 21c9312 |
14 | 1545998 |
15 | da2d93 |
hex | 9e81e2 |
10387938 has 16 divisors (see below), whose sum is σ = 22664736. Its totient is φ = 3147840.
The previous prime is 10387919. The next prime is 10387961. The reversal of 10387938 is 83978301.
It is a junction number, because it is equal to n+sod(n) for n = 10387896 and 10387905.
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, 78631 + ... + 78762.
It is an arithmetic number, because the mean of its divisors is an integer number (1416546).
Almost surely, 210387938 is an apocalyptic number.
10387938 is an abundant number, since it is smaller than the sum of its proper divisors (12276798).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
10387938 is a wasteful number, since it uses less digits than its factorization.
10387938 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 157409.
The product of its (nonzero) digits is 36288, while the sum is 39.
The square root of 10387938 is about 3223.0324230451. The cubic root of 10387938 is about 218.1941569095.
It can be divided in two parts, 10387 and 938, that added together give a triangular number (11325 = T150).
The spelling of 10387938 in words is "ten million, three hundred eighty-seven thousand, nine hundred thirty-eight".
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