Base | Representation |
---|---|
bin | 100010110011… |
… | …1010011101110 |
3 | 1021100010211202 |
4 | 1011213103232 |
5 | 14132431232 |
6 | 1451045502 |
7 | 311053625 |
oct | 105472356 |
9 | 37303752 |
10 | 18248942 |
11 | a334778 |
12 | 6140892 |
13 | 3a1c3ba |
14 | 25d06bc |
15 | 1907162 |
hex | 11674ee |
18248942 has 16 divisors (see below), whose sum is σ = 28131840. Its totient is φ = 8873592.
The previous prime is 18248941. The next prime is 18248947. The reversal of 18248942 is 24984281.
It is a junction number, because it is equal to n+sod(n) for n = 18248896 and 18248905.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (18248941) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37859 + ... + 38337.
It is an arithmetic number, because the mean of its divisors is an integer number (1758240).
Almost surely, 218248942 is an apocalyptic number.
18248942 is a deficient number, since it is larger than the sum of its proper divisors (9882898).
18248942 is a wasteful number, since it uses less digits than its factorization.
18248942 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 967.
The product of its digits is 36864, while the sum is 38.
The square root of 18248942 is about 4271.8780413303. The cubic root of 18248942 is about 263.2767835985.
The spelling of 18248942 in words is "eighteen million, two hundred forty-eight thousand, nine hundred forty-two".
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