Base | Representation |
---|---|
bin | 11100111010111… |
… | …110010110001010 |
3 | 1020211000211010200 |
4 | 130322332112022 |
5 | 1443204044040 |
6 | 120051553030 |
7 | 15011213505 |
oct | 3472762612 |
9 | 1224024120 |
10 | 485221770 |
11 | 229993330 |
12 | 1165bb776 |
13 | 796ac697 |
14 | 4862a13c |
15 | 2c8e9630 |
hex | 1cebe58a |
485221770 has 96 divisors (see below), whose sum is σ = 1391981760. Its totient is φ = 116286720.
The previous prime is 485221741. The next prime is 485221783. The reversal of 485221770 is 77122584.
485221770 is a `hidden beast` number, since 485 + 2 + 2 + 177 + 0 = 666.
It is a Curzon number.
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 47 ways as a sum of consecutive naturals, for example, 85357 + ... + 90863.
It is an arithmetic number, because the mean of its divisors is an integer number (14499810).
Almost surely, 2485221770 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 485221770, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (695990880).
485221770 is an abundant number, since it is smaller than the sum of its proper divisors (906759990).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
485221770 is a wasteful number, since it uses less digits than its factorization.
485221770 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5620 (or 5617 counting only the distinct ones).
The product of its (nonzero) digits is 31360, while the sum is 36.
The square root of 485221770 is about 22027.7499985813. The cubic root of 485221770 is about 785.8025357153.
The spelling of 485221770 in words is "four hundred eighty-five million, two hundred twenty-one thousand, seven hundred seventy".
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