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1002205 = 5227883
BaseRepresentation
bin11110100101011011101
31212220202201
43310223131
5224032310
633251501
711342611
oct3645335
91786681
101002205
11624a76
12403b91
13291229
141c1341
1514be3a
hexf4add

1002205 has 8 divisors (see below), whose sum is σ = 1209312. Its totient is φ = 797328.

The previous prime is 1002191. The next prime is 1002227. The reversal of 1002205 is 5022001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1002205 - 25 = 1002173 is a prime.

It is a Duffinian number.

1002205 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 1002191 and 1002200.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 694 + ... + 1576.

It is an arithmetic number, because the mean of its divisors is an integer number (151164).

21002205 is an apocalyptic number.

It is an amenable number.

1002205 is a deficient number, since it is larger than the sum of its proper divisors (207107).

1002205 is an equidigital number, since it uses as much as digits as its factorization.

1002205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1115.

The product of its (nonzero) digits is 20, while the sum is 10.

The square root of 1002205 is about 1001.1018929160. The cubic root of 1002205 is about 100.0734460436.

Adding to 1002205 its reverse (5022001), we get a palindrome (6024206).

The spelling of 1002205 in words is "one million, two thousand, two hundred five".

Divisors: 1 5 227 883 1135 4415 200441 1002205