Base | Representation |
---|---|
bin | 11101001001010… |
… | …111000111111010 |
3 | 1021002010102200000 |
4 | 131021113013322 |
5 | 2000140241044 |
6 | 120304453430 |
7 | 15055242240 |
oct | 3511270772 |
9 | 1232112600 |
10 | 488993274 |
11 | 231029980 |
12 | 11791a276 |
13 | 7a400243 |
14 | 48d2c790 |
15 | 2cde1d69 |
hex | 1d2571fa |
488993274 has 192 divisors, whose sum is σ = 1396362240. Its totient is φ = 124571520.
The previous prime is 488993227. The next prime is 488993359. The reversal of 488993274 is 472399884.
488993274 is a `hidden beast` number, since 488 + 9 + 93 + 2 + 74 = 666.
It is a super-2 number, since 2×4889932742 = 478228844034478152, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (54).
It is a Curzon number.
It is a self number, because there is not a number n which added to its sum of digits gives 488993274.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2731717 + ... + 2731895.
It is an arithmetic number, because the mean of its divisors is an integer number (7272720).
Almost surely, 2488993274 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 488993274, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (698181120).
488993274 is an abundant number, since it is smaller than the sum of its proper divisors (907368966).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
488993274 is a wasteful number, since it uses less digits than its factorization.
488993274 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 287 (or 275 counting only the distinct ones).
The product of its digits is 3483648, while the sum is 54.
The square root of 488993274 is about 22113.1923068561. The cubic root of 488993274 is about 787.8332304023.
The spelling of 488993274 in words is "four hundred eighty-eight million, nine hundred ninety-three thousand, two hundred seventy-four".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.070 sec. • engine limits •