Base | Representation |
---|---|
bin | 11101001000010… |
… | …100001000000001 |
3 | 1021001121111020010 |
4 | 131020110020001 |
5 | 2000103000344 |
6 | 120254535133 |
7 | 15053020203 |
oct | 3510241001 |
9 | 1231544203 |
10 | 488718849 |
11 | 230961783 |
12 | 1178074a9 |
13 | 7a335368 |
14 | 48c9a773 |
15 | 2cd8a8b9 |
hex | 1d214201 |
488718849 has 4 divisors (see below), whose sum is σ = 651625136. Its totient is φ = 325812564.
The previous prime is 488718823. The next prime is 488718851. The reversal of 488718849 is 948817884.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is not a de Polignac number, because 488718849 - 213 = 488710657 is a prime.
It is a super-2 number, since 2×4887188492 = 477692226735769602, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (488718859) 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, 81453139 + ... + 81453144.
It is an arithmetic number, because the mean of its divisors is an integer number (162906284).
Almost surely, 2488718849 is an apocalyptic number.
It is an amenable number.
488718849 is a deficient number, since it is larger than the sum of its proper divisors (162906287).
488718849 is a wasteful number, since it uses less digits than its factorization.
488718849 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 162906286.
The product of its digits is 4128768, while the sum is 57.
The square root of 488718849 is about 22106.9864296335. The cubic root of 488718849 is about 787.6858244272.
The spelling of 488718849 in words is "four hundred eighty-eight million, seven hundred eighteen thousand, eight hundred forty-nine".
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