Base | Representation |
---|---|
bin | 11101001000110… |
… | …010101000101100 |
3 | 1021001211211122200 |
4 | 131020302220230 |
5 | 2000121000240 |
6 | 120301341500 |
7 | 15054050433 |
oct | 3510625054 |
9 | 1231754580 |
10 | 488843820 |
11 | 230a37663 |
12 | 117867890 |
13 | 7a37a1ca |
14 | 48cd011a |
15 | 2cdb2930 |
hex | 1d232a2c |
488843820 has 72 divisors (see below), whose sum is σ = 1519015680. Its totient is φ = 127176960.
The previous prime is 488843801. The next prime is 488843821. The reversal of 488843820 is 28348884.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is not an unprimeable number, because it can be changed into a prime (488843821) 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 23 ways as a sum of consecutive naturals, for example, 25740 + ... + 40499.
It is an arithmetic number, because the mean of its divisors is an integer number (21097440).
Almost surely, 2488843820 is an apocalyptic number.
It is an amenable number.
488843820 is an abundant number, since it is smaller than the sum of its proper divisors (1030171860).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
488843820 is a wasteful number, since it uses less digits than its factorization.
488843820 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 66295 (or 66290 counting only the distinct ones).
The product of its (nonzero) digits is 393216, while the sum is 45.
The square root of 488843820 is about 22109.8127536169. The cubic root of 488843820 is about 787.7529587970.
The spelling of 488843820 in words is "four hundred eighty-eight million, eight hundred forty-three thousand, eight hundred twenty".
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