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1310369 is a prime number
BaseRepresentation
bin100111111111010100001
32110120111012
410333322201
5313412434
644030305
714065214
oct4777241
92416435
101310369
11815555
12532395
1336b588
1426177b
151ad3ce
hex13fea1

1310369 has 2 divisors, whose sum is σ = 1310370. Its totient is φ = 1310368.

The previous prime is 1310363. The next prime is 1310371. The reversal of 1310369 is 9630131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1024144 + 286225 = 1012^2 + 535^2 .

It is a cyclic number.

It is not a de Polignac number, because 1310369 - 212 = 1306273 is a prime.

It is a super-2 number, since 2×13103692 = 3434133832322, which contains 22 as substring.

Together with 1310371, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1310363) 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 as a sum of consecutive naturals, namely, 655184 + 655185.

It is an arithmetic number, because the mean of its divisors is an integer number (655185).

21310369 is an apocalyptic number.

It is an amenable number.

1310369 is a deficient number, since it is larger than the sum of its proper divisors (1).

1310369 is an equidigital number, since it uses as much as digits as its factorization.

1310369 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 486, while the sum is 23.

The square root of 1310369 is about 1144.7135012744. The cubic root of 1310369 is about 109.4286908096.

The spelling of 1310369 in words is "one million, three hundred ten thousand, three hundred sixty-nine".