Base | Representation |
---|---|
bin | 11101001001010… |
… | …101000111110000 |
3 | 1021002010000102020 |
4 | 131021111013300 |
5 | 2000140010242 |
6 | 120304351440 |
7 | 15055206312 |
oct | 3511250760 |
9 | 1232100366 |
10 | 488985072 |
11 | 2310237a4 |
12 | 117915580 |
13 | 7a3c95a4 |
14 | 48d297b2 |
15 | 2cdde6ec |
hex | 1d2551f0 |
488985072 has 40 divisors (see below), whose sum is σ = 1303964160. Its totient is φ = 157736640.
The previous prime is 488985067. The next prime is 488985073. The reversal of 488985072 is 270589884.
It is a happy number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (488985073) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 162822 + ... + 165797.
It is an arithmetic number, because the mean of its divisors is an integer number (32599104).
Almost surely, 2488985072 is an apocalyptic number.
It is an amenable number.
488985072 is an abundant number, since it is smaller than the sum of its proper divisors (814979088).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
488985072 is a wasteful number, since it uses less digits than its factorization.
488985072 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 328661 (or 328655 counting only the distinct ones).
The product of its (nonzero) digits is 1290240, while the sum is 51.
The square root of 488985072 is about 22113.0068511725. The cubic root of 488985072 is about 787.8288255399.
The spelling of 488985072 in words is "four hundred eighty-eight million, nine hundred eighty-five thousand, seventy-two".
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