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223795380 = 223517772099
BaseRepresentation
bin11010101011011…
…01100010110100
3120121002222112210
431111231202310
5424242423010
634112413420
75355141444
oct1525554264
9517088483
10223795380
11105365866
1262b47270
1337499103
1421a18124
15149a9b20
hexd56d8b4

223795380 has 48 divisors (see below), whose sum is σ = 627278400. Its totient is φ = 59616768.

The previous prime is 223795373. The next prime is 223795399. The reversal of 223795380 is 83597322.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 105571 + ... + 107669.

It is an arithmetic number, because the mean of its divisors is an integer number (13068300).

Almost surely, 2223795380 is an apocalyptic number.

223795380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

223795380 is an abundant number, since it is smaller than the sum of its proper divisors (403483020).

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

223795380 is a wasteful number, since it uses less digits than its factorization.

223795380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3888 (or 3886 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 39.

The square root of 223795380 is about 14959.7921108550. The cubic root of 223795380 is about 607.1328133847.

The spelling of 223795380 in words is "two hundred twenty-three million, seven hundred ninety-five thousand, three hundred eighty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 1777 2099 3554 4198 5331 6297 7108 8396 8885 10495 10662 12594 17770 20990 21324 25188 26655 31485 35540 41980 53310 62970 106620 125940 3729923 7459846 11189769 14919692 18649615 22379538 37299230 44759076 55948845 74598460 111897690 223795380