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2240205 = 351113577
BaseRepresentation
bin1000100010111011001101
311012210222120
420202323031
51033141310
6120003153
725020132
oct10427315
94183876
102240205
1112a0110
129004b9
13605886
14424589
152e3b70
hex222ecd

2240205 has 16 divisors (see below), whose sum is σ = 3910464. Its totient is φ = 1086080.

The previous prime is 2240201. The next prime is 2240213. The reversal of 2240205 is 5020422.

2240205 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2240205 - 22 = 2240201 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (15).

2240205 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2240201) 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 15 ways as a sum of consecutive naturals, for example, 6624 + ... + 6953.

It is an arithmetic number, because the mean of its divisors is an integer number (244404).

22240205 is an apocalyptic number.

It is an amenable number.

2240205 is a deficient number, since it is larger than the sum of its proper divisors (1670259).

2240205 is a wasteful number, since it uses less digits than its factorization.

2240205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13596.

The product of its (nonzero) digits is 160, while the sum is 15.

The square root of 2240205 is about 1496.7314388360. The cubic root of 2240205 is about 130.8466437655.

Adding to 2240205 its reverse (5020422), we get a palindrome (7260627).

The spelling of 2240205 in words is "two million, two hundred forty thousand, two hundred five".

Divisors: 1 3 5 11 15 33 55 165 13577 40731 67885 149347 203655 448041 746735 2240205