Base | Representation |
---|---|
bin | 11101001000011… |
… | …101111001010000 |
3 | 1021001200112010011 |
4 | 131020131321100 |
5 | 2000110240424 |
6 | 120255444304 |
7 | 15053244646 |
oct | 3510357120 |
9 | 1231615104 |
10 | 488758864 |
11 | 230989850 |
12 | 117826694 |
13 | 7a34a639 |
14 | 48cab196 |
15 | 2cd97694 |
hex | 1d21de50 |
488758864 has 20 divisors (see below), whose sum is σ = 1033058880. Its totient is φ = 222163040.
The previous prime is 488758861. The next prime is 488758883. The reversal of 488758864 is 468857884.
It is a junction number, because it is equal to n+sod(n) for n = 488758799 and 488758808.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (488758861) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1388344 + ... + 1388695.
It is an arithmetic number, because the mean of its divisors is an integer number (51652944).
Almost surely, 2488758864 is an apocalyptic number.
488758864 is a gapful number since it is divisible by the number (44) formed by its first and last digit.
It is an amenable number.
488758864 is an abundant number, since it is smaller than the sum of its proper divisors (544300016).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
488758864 is a wasteful number, since it uses less digits than its factorization.
488758864 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2777058 (or 2777052 counting only the distinct ones).
The product of its digits is 13762560, while the sum is 58.
The square root of 488758864 is about 22107.8914417454. The cubic root of 488758864 is about 787.7073217142.
The spelling of 488758864 in words is "four hundred eighty-eight million, seven hundred fifty-eight thousand, eight hundred sixty-four".
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