Base | Representation |
---|---|
bin | 111100101100101010100 |
3 | 10202001022202 |
4 | 13211211110 |
5 | 1002121243 |
6 | 110344032 |
7 | 22622453 |
oct | 7454524 |
9 | 3661282 |
10 | 1988948 |
11 | 1139365 |
12 | 7bb018 |
13 | 5483c0 |
14 | 39ab9a |
15 | 2944b8 |
hex | 1e5954 |
1988948 has 24 divisors (see below), whose sum is σ = 3913728. Its totient is φ = 877536.
The previous prime is 1988941. The next prime is 1988963. The reversal of 1988948 is 8498891.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1988941) by changing a digit.
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, 365 + ... + 2027.
It is an arithmetic number, because the mean of its divisors is an integer number (163072).
21988948 is an apocalyptic number.
It is an amenable number.
1988948 is a deficient number, since it is larger than the sum of its proper divisors (1924780).
1988948 is a wasteful number, since it uses less digits than its factorization.
1988948 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1703 (or 1701 counting only the distinct ones).
The product of its digits is 165888, while the sum is 47.
The square root of 1988948 is about 1410.3006771607. The cubic root of 1988948 is about 125.7595987282.
The spelling of 1988948 in words is "one million, nine hundred eighty-eight thousand, nine hundred forty-eight".
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