Base | Representation |
---|---|
bin | 11101001000001… |
… | …010111100110111 |
3 | 1021001112120200100 |
4 | 131020022330313 |
5 | 2000100300041 |
6 | 120254045143 |
7 | 15052502511 |
oct | 3510127467 |
9 | 1231476610 |
10 | 488681271 |
11 | 230936521 |
12 | 1177a97b3 |
13 | 7a321220 |
14 | 48c8abb1 |
15 | 2cd7e6b6 |
hex | 1d20af37 |
488681271 has 24 divisors (see below), whose sum is σ = 763045920. Its totient is φ = 299589696.
The previous prime is 488681261. The next prime is 488681293. The reversal of 488681271 is 172186884.
It is not a de Polignac number, because 488681271 - 25 = 488681239 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (488681251) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23710 + ... + 39236.
It is an arithmetic number, because the mean of its divisors is an integer number (31793580).
Almost surely, 2488681271 is an apocalyptic number.
488681271 is a deficient number, since it is larger than the sum of its proper divisors (274364649).
488681271 is a wasteful number, since it uses less digits than its factorization.
488681271 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15815 (or 15812 counting only the distinct ones).
The product of its digits is 172032, while the sum is 45.
The square root of 488681271 is about 22106.1365009809. The cubic root of 488681271 is about 787.6656353030.
The spelling of 488681271 in words is "four hundred eighty-eight million, six hundred eighty-one thousand, two hundred seventy-one".
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