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220041 = 32231063
BaseRepresentation
bin110101101110001001
3102011211200
4311232021
524020131
64414413
71604343
oct655611
9364750
10220041
11140358
12a7409
1379203
145a293
15452e6
hex35b89

220041 has 12 divisors (see below), whose sum is σ = 331968. Its totient is φ = 140184.

The previous prime is 220021. The next prime is 220057. The reversal of 220041 is 140022.

It is not a de Polignac number, because 220041 - 25 = 220009 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

220041 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (220021) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 325 + ... + 738.

It is an arithmetic number, because the mean of its divisors is an integer number (27664).

2220041 is an apocalyptic number.

It is an amenable number.

220041 is a deficient number, since it is larger than the sum of its proper divisors (111927).

220041 is a wasteful number, since it uses less digits than its factorization.

220041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1092 (or 1089 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 9.

The square root of 220041 is about 469.0852800931. The cubic root of 220041 is about 60.3718572750.

Adding to 220041 its reverse (140022), we get a palindrome (360063).

The spelling of 220041 in words is "two hundred twenty thousand, forty-one", and thus it is an iban number.

Divisors: 1 3 9 23 69 207 1063 3189 9567 24449 73347 220041