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220103 = 1316931
BaseRepresentation
bin110101101111000111
3102011220222
4311233013
524020403
64414555
71604462
oct655707
9364828
10220103
11140404
12a745b
1379250
145a2d9
1545338
hex35bc7

220103 has 4 divisors (see below), whose sum is σ = 237048. Its totient is φ = 203160.

The previous prime is 220063. The next prime is 220123. The reversal of 220103 is 301022.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 220103 - 28 = 219847 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8453 + ... + 8478.

It is an arithmetic number, because the mean of its divisors is an integer number (59262).

2220103 is an apocalyptic number.

220103 is a deficient number, since it is larger than the sum of its proper divisors (16945).

220103 is a wasteful number, since it uses less digits than its factorization.

220103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16944.

The product of its (nonzero) digits is 12, while the sum is 8.

The square root of 220103 is about 469.1513615029. The cubic root of 220103 is about 60.3775269815.

Adding to 220103 its reverse (301022), we get a palindrome (521125).

It can be divided in two parts, 220 and 103, that added together give a palindrome (323).

The spelling of 220103 in words is "two hundred twenty thousand, one hundred three", and thus it is an iban number.

Divisors: 1 13 16931 220103