Base | Representation |
---|---|
bin | 11101000111111… |
… | …100010110000010 |
3 | 1021001102112121110 |
4 | 131013330112002 |
5 | 2000041341232 |
6 | 120252504150 |
7 | 15052133211 |
oct | 3507742602 |
9 | 1231375543 |
10 | 488621442 |
11 | 2308a5581 |
12 | 11777b056 |
13 | 7a2ccc1a |
14 | 48c73078 |
15 | 2cd6bacc |
hex | 1d1fc582 |
488621442 has 64 divisors (see below), whose sum is σ = 1067581440. Its totient is φ = 148934160.
The previous prime is 488621437. The next prime is 488621443. The reversal of 488621442 is 244126884.
It is a self number, because there is not a number n which added to its sum of digits gives 488621442.
It is not an unprimeable number, because it can be changed into a prime (488621443) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1275583 + ... + 1275965.
It is an arithmetic number, because the mean of its divisors is an integer number (16680960).
Almost surely, 2488621442 is an apocalyptic number.
488621442 is an abundant number, since it is smaller than the sum of its proper divisors (578959998).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
488621442 is a wasteful number, since it uses less digits than its factorization.
488621442 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 476 (or 438 counting only the distinct ones).
The product of its digits is 98304, while the sum is 39.
The square root of 488621442 is about 22104.7832380234. The cubic root of 488621442 is about 787.6334894898.
The spelling of 488621442 in words is "four hundred eighty-eight million, six hundred twenty-one thousand, four hundred forty-two".
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