Base | Representation |
---|---|
bin | 11101000101101… |
… | …111110101000010 |
3 | 1021000100022002201 |
4 | 131011233311002 |
5 | 1444414432030 |
6 | 120232303414 |
7 | 15044215213 |
oct | 3505576502 |
9 | 1230308081 |
10 | 488045890 |
11 | 230542112 |
12 | 117541b6a |
13 | 7a15ac67 |
14 | 48b6340a |
15 | 2cca62ca |
hex | 1d16fd42 |
488045890 has 8 divisors (see below), whose sum is σ = 878482620. Its totient is φ = 195218352.
The previous prime is 488045881. The next prime is 488045891. The reversal of 488045890 is 98540884.
It can be written as a sum of positive squares in 2 ways, for example, as 469718929 + 18326961 = 21673^2 + 4281^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a self number, because there is not a number n which added to its sum of digits gives 488045890.
It is not an unprimeable number, because it can be changed into a prime (488045891) 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, 24402285 + ... + 24402304.
Almost surely, 2488045890 is an apocalyptic number.
488045890 is a deficient number, since it is larger than the sum of its proper divisors (390436730).
488045890 is a wasteful number, since it uses less digits than its factorization.
488045890 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 48804596.
The product of its (nonzero) digits is 368640, while the sum is 46.
The square root of 488045890 is about 22091.7606813038. The cubic root of 488045890 is about 787.3241142425.
The spelling of 488045890 in words is "four hundred eighty-eight million, forty-five thousand, eight hundred ninety".
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