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1301105 = 51337541
BaseRepresentation
bin100111101101001110001
32110002210002
410331221301
5313113410
643515345
714026211
oct4755161
92402702
101301105
118095a3
12528b55
133672b0
1425c241
151aa7a5
hex13da71

1301105 has 16 divisors (see below), whose sum is σ = 1730064. Its totient is φ = 933120.

The previous prime is 1301099. The next prime is 1301119. The reversal of 1301105 is 5011031.

It can be written as a sum of positive squares in 8 ways, for example, as 10609 + 1290496 = 103^2 + 1136^2 .

It is not a de Polignac number, because 1301105 - 216 = 1235569 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2135 + ... + 2675.

It is an arithmetic number, because the mean of its divisors is an integer number (108129).

21301105 is an apocalyptic number.

It is an amenable number.

1301105 is a deficient number, since it is larger than the sum of its proper divisors (428959).

1301105 is a wasteful number, since it uses less digits than its factorization.

1301105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 596.

The product of its (nonzero) digits is 15, while the sum is 11.

The square root of 1301105 is about 1140.6598967265. The cubic root of 1301105 is about 109.1702023471.

Adding to 1301105 its reverse (5011031), we get a palindrome (6312136).

The spelling of 1301105 in words is "one million, three hundred one thousand, one hundred five".

Divisors: 1 5 13 37 65 185 481 541 2405 2705 7033 20017 35165 100085 260221 1301105