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68200 = 23521131
BaseRepresentation
bin10000101001101000
310110112221
4100221220
54140300
61243424
7402556
oct205150
9113487
1068200
1147270
1233574
1325072
141abd6
151531a
hex10a68

68200 has 48 divisors (see below), whose sum is σ = 178560. Its totient is φ = 24000.

The previous prime is 68171. The next prime is 68207. The reversal of 68200 is 286.

It is not an unprimeable number, because it can be changed into a prime (68207) by changing a digit.

68200 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2185 + ... + 2215.

It is an arithmetic number, because the mean of its divisors is an integer number (3720).

268200 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89280).

68200 is an abundant number, since it is smaller than the sum of its proper divisors (110360).

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

68200 is a wasteful number, since it uses less digits than its factorization.

68200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58 (or 49 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 68200 is about 261.1512971440. The cubic root of 68200 is about 40.8565280780.

Adding to 68200 its reverse (286), we get a palindrome (68486).

The spelling of 68200 in words is "sixty-eight thousand, two hundred".

Divisors: 1 2 4 5 8 10 11 20 22 25 31 40 44 50 55 62 88 100 110 124 155 200 220 248 275 310 341 440 550 620 682 775 1100 1240 1364 1550 1705 2200 2728 3100 3410 6200 6820 8525 13640 17050 34100 68200