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199330380 = 223256191789
BaseRepresentation
bin10111110000110…
…00101001001100
3111220002000212200
423320120221030
5402012033010
631440201500
74640165064
oct1370305114
9456060780
10199330380
11a2575957
1256909290
13323b1592
141c68a3a4
1512775cc0
hexbe18a4c

199330380 has 72 divisors (see below), whose sum is σ = 605950800. Its totient is φ = 53039232.

The previous prime is 199330367. The next prime is 199330399. The reversal of 199330380 is 83033991.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 110526 + ... + 112314.

Almost surely, 2199330380 is an apocalyptic number.

199330380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

199330380 is an abundant number, since it is smaller than the sum of its proper divisors (406620420).

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

199330380 is a wasteful number, since it uses less digits than its factorization.

199330380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2423 (or 2418 counting only the distinct ones).

The product of its (nonzero) digits is 17496, while the sum is 36.

The square root of 199330380 is about 14118.4411320797. The cubic root of 199330380 is about 584.1501576415.

The spelling of 199330380 in words is "one hundred ninety-nine million, three hundred thirty thousand, three hundred eighty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 30 36 45 60 90 180 619 1238 1789 1857 2476 3095 3578 3714 5367 5571 6190 7156 7428 8945 9285 10734 11142 12380 16101 17890 18570 21468 22284 26835 27855 32202 35780 37140 53670 55710 64404 80505 107340 111420 161010 322020 1107391 2214782 3322173 4429564 5536955 6644346 9966519 11073910 13288692 16610865 19933038 22147820 33221730 39866076 49832595 66443460 99665190 199330380