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1341205 = 5313857
BaseRepresentation
bin101000111011100010101
32112010210021
411013130111
5320404310
644425141
714254135
oct5073425
92463707
101341205
11836738
125481b1
1337c618
1426cac5
151b75da
hex147715

1341205 has 8 divisors (see below), whose sum is σ = 1616472. Its totient is φ = 1068288.

The previous prime is 1341203. The next prime is 1341209. The reversal of 1341205 is 5021431.

It can be written as a sum of positive squares in 4 ways, for example, as 66564 + 1274641 = 258^2 + 1129^2 .

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 1341205 - 21 = 1341203 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 (1341203) 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 7 ways as a sum of consecutive naturals, for example, 1137 + ... + 1993.

It is an arithmetic number, because the mean of its divisors is an integer number (202059).

21341205 is an apocalyptic number.

It is an amenable number.

1341205 is a deficient number, since it is larger than the sum of its proper divisors (275267).

1341205 is an equidigital number, since it uses as much as digits as its factorization.

1341205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1175.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 1341205 is about 1158.1040540470. The cubic root of 1341205 is about 110.2804140325.

Adding to 1341205 its reverse (5021431), we get a palindrome (6362636).

The spelling of 1341205 in words is "one million, three hundred forty-one thousand, two hundred five".

Divisors: 1 5 313 857 1565 4285 268241 1341205