Base | Representation |
---|---|
bin | 11101001000000… |
… | …100111111011101 |
3 | 1021001111100012021 |
4 | 131020010333131 |
5 | 2000044004421 |
6 | 120253340141 |
7 | 15052341400 |
oct | 3510047735 |
9 | 1231440167 |
10 | 488656861 |
11 | 23091a150 |
12 | 117797651 |
13 | 7a313094 |
14 | 48c81d37 |
15 | 2cd77341 |
hex | 1d204fdd |
488656861 has 36 divisors (see below), whose sum is σ = 634461984. Its totient is φ = 372086400.
The previous prime is 488656853. The next prime is 488656867. The reversal of 488656861 is 168656884.
It is not a de Polignac number, because 488656861 - 23 = 488656853 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 488656799 and 488656808.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (488656867) by changing a digit.
It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 4324341 + ... + 4324453.
It is an arithmetic number, because the mean of its divisors is an integer number (17623944).
Almost surely, 2488656861 is an apocalyptic number.
It is an amenable number.
488656861 is a deficient number, since it is larger than the sum of its proper divisors (145805123).
488656861 is a wasteful number, since it uses less digits than its factorization.
488656861 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 322 (or 202 counting only the distinct ones).
The product of its digits is 2211840, while the sum is 52.
The square root of 488656861 is about 22105.5843849467. The cubic root of 488656861 is about 787.6525202527.
The spelling of 488656861 in words is "four hundred eighty-eight million, six hundred fifty-six thousand, eight hundred sixty-one".
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