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1301029 = 4093181
BaseRepresentation
bin100111101101000100101
32110002200021
410331220211
5313113104
643515141
714026042
oct4755045
92402607
101301029
11809534
12528ab1
13367252
1425c1c9
151aa754
hex13da25

1301029 has 4 divisors (see below), whose sum is σ = 1304620. Its totient is φ = 1297440.

The previous prime is 1301023. The next prime is 1301033. The reversal of 1301029 is 9201031.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9201031 = 71314433.

It can be written as a sum of positive squares in 2 ways, for example, as 636804 + 664225 = 798^2 + 815^2 .

It is a cyclic number.

It is not a de Polignac number, because 1301029 - 23 = 1301021 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1301021) 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, 1182 + ... + 1999.

It is an arithmetic number, because the mean of its divisors is an integer number (326155).

21301029 is an apocalyptic number.

It is an amenable number.

1301029 is a deficient number, since it is larger than the sum of its proper divisors (3591).

1301029 is an equidigital number, since it uses as much as digits as its factorization.

1301029 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3590.

The product of its (nonzero) digits is 54, while the sum is 16.

The square root of 1301029 is about 1140.6265821907. The cubic root of 1301029 is about 109.1680766932.

The spelling of 1301029 in words is "one million, three hundred one thousand, twenty-nine".

Divisors: 1 409 3181 1301029