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485221770 = 232511895507
BaseRepresentation
bin11100111010111…
…110010110001010
31020211000211010200
4130322332112022
51443204044040
6120051553030
715011213505
oct3472762612
91224024120
10485221770
11229993330
121165bb776
13796ac697
144862a13c
152c8e9630
hex1cebe58a

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".

Divisors: 1 2 3 5 6 9 10 11 15 18 22 30 33 45 55 66 89 90 99 110 165 178 198 267 330 445 495 534 801 890 979 990 1335 1602 1958 2670 2937 4005 4895 5507 5874 8010 8811 9790 11014 14685 16521 17622 27535 29370 33042 44055 49563 55070 60577 82605 88110 99126 121154 165210 181731 247815 302885 363462 490123 495630 545193 605770 908655 980246 1090386 1470369 1817310 2450615 2725965 2940738 4411107 4901230 5391353 5451930 7351845 8822214 10782706 14703690 16174059 22055535 26956765 32348118 44111070 48522177 53913530 80870295 97044354 161740590 242610885 485221770