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4782085380 = 223251710115473
BaseRepresentation
bin1000111010000100…
…01101010100000100
3110100021100002220100
410131002031110010
534243203213010
62110304404100
7226335024612
oct43502152404
913307302810
104782085380
1120343a9586
12b15616630
135b2971427
143351786b2
151cec5e2c0
hex11d08d504

4782085380 has 144 divisors (see below), whose sum is σ = 15512004144. Its totient is φ = 1188249600.

The previous prime is 4782085379. The next prime is 4782085391. The reversal of 4782085380 is 835802874.

4782085380 is a `hidden beast` number, since 478 + 20 + 85 + 3 + 80 = 666.

It can be written as a sum of positive squares in 8 ways, for example, as 505710144 + 4276375236 = 22488^2 + 65394^2 .

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 301324 + ... + 316796.

It is an arithmetic number, because the mean of its divisors is an integer number (107722251).

Almost surely, 24782085380 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4782085380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7756002072).

4782085380 is an abundant number, since it is smaller than the sum of its proper divisors (10729918764).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4782085380 is a wasteful number, since it uses less digits than its factorization.

4782085380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15606 (or 15601 counting only the distinct ones).

The product of its (nonzero) digits is 430080, while the sum is 45.

The square root of 4782085380 is about 69152.6238113927. The cubic root of 4782085380 is about 1684.7641344370.

The spelling of 4782085380 in words is "four billion, seven hundred eighty-two million, eighty-five thousand, three hundred eighty".

Divisors: 1 2 3 4 5 6 9 10 12 15 17 18 20 30 34 36 45 51 60 68 85 90 101 102 153 170 180 202 204 255 303 306 340 404 505 510 606 612 765 909 1010 1020 1212 1515 1530 1717 1818 2020 3030 3060 3434 3636 4545 5151 6060 6868 8585 9090 10302 15453 15473 17170 18180 20604 25755 30906 30946 34340 46419 51510 61812 61892 77265 77365 92838 103020 139257 154530 154730 185676 232095 263041 278514 309060 309460 464190 526082 557028 696285 789123 928380 1052164 1315205 1392570 1562773 1578246 2367369 2630410 2785140 3125546 3156492 3945615 4688319 4734738 5260820 6251092 7813865 7891230 9376638 9469476 11836845 14064957 15627730 15782460 18753276 23441595 23673690 26567141 28129914 31255460 46883190 47347380 53134282 56259828 70324785 79701423 93766380 106268564 132835705 140649570 159402846 239104269 265671410 281299140 318805692 398507115 478208538 531342820 797014230 956417076 1195521345 1594028460 2391042690 4782085380