Search a number
-
+
2168200 = 235237293
BaseRepresentation
bin1000010001010110001000
311002011012201
420101112020
51023340300
6114245544
724300166
oct10212610
94064181
102168200
111251001
128868b4
135abb78
14406236
152cc66a
hex211588

2168200 has 48 divisors (see below), whose sum is σ = 5194980. Its totient is φ = 840960.

The previous prime is 2168183. The next prime is 2168219. The reversal of 2168200 is 28612.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 1800964 + 367236 = 1342^2 + 606^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7254 + ... + 7546.

22168200 is an apocalyptic number.

2168200 is a gapful number since it is divisible by the number (20) 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 2168200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2597490).

2168200 is an abundant number, since it is smaller than the sum of its proper divisors (3026780).

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

2168200 is a wasteful number, since it uses less digits than its factorization.

2168200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 346 (or 337 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 2168200 is about 1472.4808997063. The cubic root of 2168200 is about 129.4294522899.

It can be divided in two parts, 2 and 168200, that multiplied together give a square (336400 = 5802).

The spelling of 2168200 in words is "two million, one hundred sixty-eight thousand, two hundred".

Divisors: 1 2 4 5 8 10 20 25 37 40 50 74 100 148 185 200 293 296 370 586 740 925 1172 1465 1480 1850 2344 2930 3700 5860 7325 7400 10841 11720 14650 21682 29300 43364 54205 58600 86728 108410 216820 271025 433640 542050 1084100 2168200