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2270788380 = 2232572257459
BaseRepresentation
bin1000011101011001…
…0111101100011100
312212020220000001100
42013112113230130
514122310212010
61013154513100
7110162245200
oct20726275434
95766800040
102270788380
11a65889a13
12534595790
132a25b7c83
14177826b00
15d45512c0
hex87597b1c

2270788380 has 108 divisors (see below), whose sum is σ = 8012670120. Its totient is φ = 519035328.

The previous prime is 2270788369. The next prime is 2270788381. The reversal of 2270788380 is 838870722.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2270788381) by changing a digit.

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 35 ways as a sum of consecutive naturals, for example, 119910 + ... + 137549.

It is an arithmetic number, because the mean of its divisors is an integer number (74191390).

Almost surely, 22270788380 is an apocalyptic number.

2270788380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2270788380 is an abundant number, since it is smaller than the sum of its proper divisors (5741881740).

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

2270788380 is a wasteful number, since it uses less digits than its factorization.

2270788380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257488 (or 257476 counting only the distinct ones).

The product of its (nonzero) digits is 301056, while the sum is 45.

The square root of 2270788380 is about 47652.7898448769. The cubic root of 2270788380 is about 1314.3939590049.

The spelling of 2270788380 in words is "two billion, two hundred seventy million, seven hundred eighty-eight thousand, three hundred eighty".

Divisors: 1 2 3 4 5 6 7 9 10 12 14 15 18 20 21 28 30 35 36 42 45 49 60 63 70 84 90 98 105 126 140 147 180 196 210 245 252 294 315 420 441 490 588 630 735 882 980 1260 1470 1764 2205 2940 4410 8820 257459 514918 772377 1029836 1287295 1544754 1802213 2317131 2574590 3089508 3604426 3861885 4634262 5149180 5406639 7208852 7723770 9011065 9268524 10813278 11585655 12615491 15447540 16219917 18022130 21626556 23171310 25230982 27033195 32439834 36044260 37846473 46342620 50461964 54066390 63077455 64879668 75692946 81099585 108132780 113539419 126154910 151385892 162199170 189232365 227078838 252309820 324398340 378464730 454157676 567697095 756929460 1135394190 2270788380