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1300197 = 3433399
BaseRepresentation
bin100111101011011100101
32110001112110
410331123211
5313101242
643511233
714023443
oct4753345
92401473
101300197
11808948
12528519
13366a62
1425bb93
151aa39c
hex13d6e5

1300197 has 4 divisors (see below), whose sum is σ = 1733600. Its totient is φ = 866796.

The previous prime is 1300193. The next prime is 1300199. The reversal of 1300197 is 7910031.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 7910031 = 32636677.

It is not a de Polignac number, because 1300197 - 22 = 1300193 is a prime.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1300193) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 216697 + ... + 216702.

It is an arithmetic number, because the mean of its divisors is an integer number (433400).

21300197 is an apocalyptic number.

It is an amenable number.

1300197 is a deficient number, since it is larger than the sum of its proper divisors (433403).

1300197 is an equidigital number, since it uses as much as digits as its factorization.

1300197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 433402.

The product of its (nonzero) digits is 189, while the sum is 21.

The square root of 1300197 is about 1140.2618120414. The cubic root of 1300197 is about 109.1448009609.

The spelling of 1300197 in words is "one million, three hundred thousand, one hundred ninety-seven".

Divisors: 1 3 433399 1300197