Base | Representation |
---|---|
bin | 111011011101010110010 |
3 | 10122222121200 |
4 | 13123222302 |
5 | 444321323 |
6 | 105432030 |
7 | 22363200 |
oct | 7335262 |
9 | 3588550 |
10 | 1948338 |
11 | 11108a7 |
12 | 79b616 |
13 | 532a82 |
14 | 38a070 |
15 | 287443 |
hex | 1dbab2 |
1948338 has 54 divisors (see below), whose sum is σ = 5017311. Its totient is φ = 544824.
The previous prime is 1948337. The next prime is 1948343. The reversal of 1948338 is 8338491.
It can be written as a sum of positive squares in only one way, i.e., 974169 + 974169 = 987^2 + 987^2 .
It is an ABA number since it can be written as A⋅BA, here for A=2, B=987.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (1948337) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 41431 + ... + 41477.
21948338 is an apocalyptic number.
1948338 is a gapful number since it is divisible by the number (18) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 1948338
1948338 is an abundant number, since it is smaller than the sum of its proper divisors (3068973).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1948338 is a wasteful number, since it uses less digits than its factorization.
1948338 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 116 (or 59 counting only the distinct ones).
The product of its digits is 20736, while the sum is 36.
The square root of 1948338 is about 1395.8287860622. The cubic root of 1948338 is about 124.8977937872.
The spelling of 1948338 in words is "one million, nine hundred forty-eight thousand, three hundred thirty-eight".
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