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1301071 = 2714801
BaseRepresentation
bin100111101101001001111
32110002201211
410331221033
5313113241
643515251
714026132
oct4755117
92402654
101301071
11809572
12528b27
13367285
1425c219
151aa781
hex13da4f

1301071 has 4 divisors (see below), whose sum is σ = 1306144. Its totient is φ = 1296000.

The previous prime is 1301057. The next prime is 1301077. The reversal of 1301071 is 1701031.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1701031 = 4094159.

It is a 7-Lehmer number, since φ(1301071) divides (1301071-1)7.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1301071 is a prime.

It is a super-3 number, since 3×13010713 = 6607303334065142733, which contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1301077) 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, 2130 + ... + 2671.

It is an arithmetic number, because the mean of its divisors is an integer number (326536).

21301071 is an apocalyptic number.

1301071 is a deficient number, since it is larger than the sum of its proper divisors (5073).

1301071 is an equidigital number, since it uses as much as digits as its factorization.

1301071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5072.

The product of its (nonzero) digits is 21, while the sum is 13.

The square root of 1301071 is about 1140.6449929755. The cubic root of 1301071 is about 109.1692514069.

The spelling of 1301071 in words is "one million, three hundred one thousand, seventy-one".

Divisors: 1 271 4801 1301071