Base | Representation |
---|---|
bin | 11101111100010011100 |
3 | 1211211212211 |
4 | 3233202130 |
5 | 222344043 |
6 | 33010204 |
7 | 11224330 |
oct | 3574234 |
9 | 1754784 |
10 | 981148 |
11 | 610173 |
12 | 3b3964 |
13 | 28477c |
14 | 1b77c0 |
15 | 145a9d |
hex | ef89c |
981148 has 24 divisors (see below), whose sum is σ = 1995392. Its totient is φ = 413424.
The previous prime is 981139. The next prime is 981151. The reversal of 981148 is 841189.
It is a congruent number.
It is an unprimeable number.
981148 is an untouchable number, because it is not equal to the sum of proper divisors of any number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1615 + ... + 2137.
2981148 is an apocalyptic number.
It is an amenable number.
981148 is an abundant number, since it is smaller than the sum of its proper divisors (1014244).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
981148 is a wasteful number, since it uses less digits than its factorization.
981148 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 601 (or 599 counting only the distinct ones).
The product of its digits is 2304, while the sum is 31.
The square root of 981148 is about 990.5291515145. The cubic root of 981148 is about 99.3676092495.
The spelling of 981148 in words is "nine hundred eighty-one thousand, one hundred forty-eight".
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