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3805274220 = 22351117339151
BaseRepresentation
bin1110001011001111…
…1110000001101100
3100211012021221220020
43202303332001230
530243122233340
61425332122140
7163204203636
oct34263760154
910735257806
103805274220
111682a83930
128a2466350
13488492c67
14281545a56
1517410d9d0
hexe2cfe06c

3805274220 has 96 divisors (see below), whose sum is σ = 12307147776. Its totient is φ = 868224000.

The previous prime is 3805274201. The next prime is 3805274243. The reversal of 3805274220 is 224725083.

It is a super-2 number, since 2×38052742202 = 28960223778793216800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

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 31 ways as a sum of consecutive naturals, for example, 158356 + ... + 180795.

It is an arithmetic number, because the mean of its divisors is an integer number (128199456).

Almost surely, 23805274220 is an apocalyptic number.

3805274220 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3805274220 is an abundant number, since it is smaller than the sum of its proper divisors (8501873556).

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

3805274220 is a wasteful number, since it uses less digits than its factorization.

3805274220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 339191 (or 339189 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 33.

The square root of 3805274220 is about 61686.9047691647. The cubic root of 3805274220 is about 1561.2123793633.

The spelling of 3805274220 in words is "three billion, eight hundred five million, two hundred seventy-four thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 10 11 12 15 17 20 22 30 33 34 44 51 55 60 66 68 85 102 110 132 165 170 187 204 220 255 330 340 374 510 561 660 748 935 1020 1122 1870 2244 2805 3740 5610 11220 339151 678302 1017453 1356604 1695755 2034906 3391510 3730661 4069812 5087265 5765567 6783020 7461322 10174530 11191983 11531134 14922644 17296701 18653305 20349060 22383966 23062268 28827835 34593402 37306610 44767932 55959915 57655670 63421237 69186804 74613220 86483505 111919830 115311340 126842474 172967010 190263711 223839660 253684948 317106185 345934020 380527422 634212370 761054844 951318555 1268424740 1902637110 3805274220