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220060 = 22511003
BaseRepresentation
bin110101101110011100
3102011212101
4311232130
524020220
64414444
71604401
oct655634
9364771
10220060
11140375
12a7424
1379219
145a2a8
154530a
hex35b9c

220060 has 12 divisors (see below), whose sum is σ = 462168. Its totient is φ = 88016.

The previous prime is 220057. The next prime is 220063. The reversal of 220060 is 60022.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (220057) and next prime (220063).

It is a Harshad number since it is a multiple of its sum of digits (10).

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5482 + ... + 5521.

It is an arithmetic number, because the mean of its divisors is an integer number (38514).

2220060 is an apocalyptic number.

220060 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220060 is an abundant number, since it is smaller than the sum of its proper divisors (242108).

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

220060 is a wasteful number, since it uses less digits than its factorization.

220060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11012 (or 11010 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 10.

The square root of 220060 is about 469.1055318369. The cubic root of 220060 is about 60.3735948789.

Adding to 220060 its reverse (60022), we get a palindrome (280082).

The spelling of 220060 in words is "two hundred twenty thousand, sixty".

Divisors: 1 2 4 5 10 20 11003 22006 44012 55015 110030 220060