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1300897 = 13100069
BaseRepresentation
bin100111101100110100001
32110002111101
410331212201
5313112042
643514401
714025463
oct4754641
92402441
101300897
11809424
12528a01
13367180
1425c133
151aa6b7
hex13d9a1

1300897 has 4 divisors (see below), whose sum is σ = 1400980. Its totient is φ = 1200816.

The previous prime is 1300843. The next prime is 1300907. The reversal of 1300897 is 7980031.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 646416 + 654481 = 804^2 + 809^2 .

It is a cyclic number.

It is not a de Polignac number, because 1300897 - 27 = 1300769 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1300837) 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 3 ways as a sum of consecutive naturals, for example, 50022 + ... + 50047.

It is an arithmetic number, because the mean of its divisors is an integer number (350245).

21300897 is an apocalyptic number.

It is an amenable number.

1300897 is a deficient number, since it is larger than the sum of its proper divisors (100083).

1300897 is a wasteful number, since it uses less digits than its factorization.

1300897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100082.

The product of its (nonzero) digits is 1512, while the sum is 28.

The square root of 1300897 is about 1140.5687177895. The cubic root of 1300897 is about 109.1643845712.

It can be divided in two parts, 1300 and 897, that added together give a cube (2197 = 133).

The spelling of 1300897 in words is "one million, three hundred thousand, eight hundred ninety-seven".

Divisors: 1 13 100069 1300897