Base | Representation |
---|---|
bin | 100110001101… |
… | …111110100101 |
3 | 200212000002220 |
4 | 212031332211 |
5 | 10031044400 |
6 | 554422553 |
7 | 151105053 |
oct | 46157645 |
9 | 20760086 |
10 | 10018725 |
11 | 5723242 |
12 | 3431a59 |
13 | 20ca252 |
14 | 148b1d3 |
15 | d2d7a0 |
hex | 98dfa5 |
10018725 has 12 divisors (see below), whose sum is σ = 16564416. Its totient is φ = 5343280.
The previous prime is 10018691. The next prime is 10018727. The reversal of 10018725 is 52781001.
It is not a de Polignac number, because 10018725 - 217 = 9887653 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 10018695 and 10018704.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (10018727) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 66717 + ... + 66866.
It is an arithmetic number, because the mean of its divisors is an integer number (1380368).
Almost surely, 210018725 is an apocalyptic number.
10018725 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
10018725 is a deficient number, since it is larger than the sum of its proper divisors (6545691).
10018725 is a wasteful number, since it uses less digits than its factorization.
10018725 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 133596 (or 133591 counting only the distinct ones).
The product of its (nonzero) digits is 560, while the sum is 24.
The square root of 10018725 is about 3165.2369579543. The cubic root of 10018725 is about 215.5778577890.
Adding to 10018725 its reverse (52781001), we get a palindrome (62799726).
The spelling of 10018725 in words is "ten million, eighteen thousand, seven hundred twenty-five".
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