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1301385 = 35101859
BaseRepresentation
bin100111101101110001001
32110010011110
410331232021
5313121020
643520533
714030061
oct4755611
92403143
101301385
11809828
12529149
13367467
1425c3a1
151aa8e0
hex13db89

1301385 has 16 divisors (see below), whose sum is σ = 2105280. Its totient is φ = 686400.

The previous prime is 1301353. The next prime is 1301387. The reversal of 1301385 is 5831031.

It is a happy number.

It is not a de Polignac number, because 1301385 - 25 = 1301353 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1301387) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1086 + ... + 1944.

It is an arithmetic number, because the mean of its divisors is an integer number (131580).

21301385 is an apocalyptic number.

1301385 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1301385 is a deficient number, since it is larger than the sum of its proper divisors (803895).

1301385 is a wasteful number, since it uses less digits than its factorization.

1301385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 968.

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 1301385 is about 1140.7826260949. The cubic root of 1301385 is about 109.1780329896.

The spelling of 1301385 in words is "one million, three hundred one thousand, three hundred eighty-five".

Divisors: 1 3 5 15 101 303 505 859 1515 2577 4295 12885 86759 260277 433795 1301385