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199800060 = 223514922349
BaseRepresentation
bin10111110100010…
…11010011111100
3111220221220011020
423322023103330
5402122100220
631454224140
74644162315
oct1372132374
9456856136
10199800060
11a2866819
1256ab5050
13325172b5
141c76d60c
151281a040
hexbe8b4fc

199800060 has 48 divisors (see below), whose sum is σ = 563220000. Its totient is φ = 52920064.

The previous prime is 199800049. The next prime is 199800091. The reversal of 199800060 is 60008991.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 199799994 and 199800030.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 2235 + ... + 20114.

It is an arithmetic number, because the mean of its divisors is an integer number (11733750).

Almost surely, 2199800060 is an apocalyptic number.

199800060 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 199800060, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (281610000).

199800060 is an abundant number, since it is smaller than the sum of its proper divisors (363419940).

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

199800060 is a wasteful number, since it uses less digits than its factorization.

199800060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22510 (or 22508 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 33.

The square root of 199800060 is about 14135.0649096493. The cubic root of 199800060 is about 584.6086066318.

The spelling of 199800060 in words is "one hundred ninety-nine million, eight hundred thousand, sixty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 149 298 447 596 745 894 1490 1788 2235 2980 4470 8940 22349 44698 67047 89396 111745 134094 223490 268188 335235 446980 670470 1340940 3330001 6660002 9990003 13320004 16650005 19980006 33300010 39960012 49950015 66600020 99900030 199800060