Base | Representation |
---|---|
bin | 100110001110… |
… | …000010110000 |
3 | 200212000110210 |
4 | 212032002300 |
5 | 10031101432 |
6 | 554424120 |
7 | 151105614 |
oct | 46160260 |
9 | 20760423 |
10 | 10018992 |
11 | 5723465 |
12 | 3432040 |
13 | 20ca3c9 |
14 | 148b344 |
15 | d2d8cc |
hex | 98e0b0 |
10018992 has 20 divisors (see below), whose sum is σ = 25882520. Its totient is φ = 3339648.
The previous prime is 10018991. The next prime is 10018993. The reversal of 10018992 is 29981001.
It is an interprime number because it is at equal distance from previous prime (10018991) and next prime (10018993).
It is not an unprimeable number, because it can be changed into a prime (10018991) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 104317 + ... + 104412.
It is an arithmetic number, because the mean of its divisors is an integer number (1294126).
Almost surely, 210018992 is an apocalyptic number.
10018992 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
10018992 is an abundant number, since it is smaller than the sum of its proper divisors (15863528).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
10018992 is a wasteful number, since it uses less digits than its factorization.
10018992 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 208740 (or 208734 counting only the distinct ones).
The product of its (nonzero) digits is 1296, while the sum is 30.
The square root of 10018992 is about 3165.2791346104. The cubic root of 10018992 is about 215.5797728289.
Adding to 10018992 its reverse (29981001), we get a palindrome (39999993).
The spelling of 10018992 in words is "ten million, eighteen thousand, nine hundred ninety-two".
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