Base | Representation |
---|---|
bin | 111010100001110… |
… | …101001001000100 |
3 | 2112102201001222111 |
4 | 322201311021010 |
5 | 4002334300243 |
6 | 241234310404 |
7 | 33222261043 |
oct | 7241651104 |
9 | 2472631874 |
10 | 981946948 |
11 | 464313304 |
12 | 234a28404 |
13 | 128588cc8 |
14 | 945ac55a |
15 | 5b31739d |
hex | 3a875244 |
981946948 has 24 divisors (see below), whose sum is σ = 1789562880. Its totient is φ = 470924160.
The previous prime is 981946939. The next prime is 981946963. The reversal of 981946948 is 849649189.
It is a happy number.
It is a junction number, because it is equal to n+sod(n) for n = 981946892 and 981946901.
It is an unprimeable number.
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 7 ways as a sum of consecutive naturals, for example, 21028 + ... + 49051.
It is an arithmetic number, because the mean of its divisors is an integer number (74565120).
Almost surely, 2981946948 is an apocalyptic number.
It is an amenable number.
981946948 is a deficient number, since it is larger than the sum of its proper divisors (807615932).
981946948 is a wasteful number, since it uses less digits than its factorization.
981946948 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 70227 (or 70225 counting only the distinct ones).
The product of its digits is 4478976, while the sum is 58.
The square root of 981946948 is about 31336.0327418772. The cubic root of 981946948 is about 993.9457358569.
The spelling of 981946948 in words is "nine hundred eighty-one million, nine hundred forty-six thousand, nine hundred forty-eight".
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