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1304344969 is a prime number
BaseRepresentation
bin100110110111110…
…1011100110001001
310100220100120220221
41031233223212021
510132403014334
6333232350041
744215515004
oct11557534611
93326316827
101304344969
1160a2a5754
123049a5321
1317a2c9875
14c533253b
157979c8b4
hex4dbeb989

1304344969 has 2 divisors, whose sum is σ = 1304344970. Its totient is φ = 1304344968.

The previous prime is 1304344967. The next prime is 1304344981. The reversal of 1304344969 is 9694434031.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 958831225 + 345513744 = 30965^2 + 18588^2 .

It is an emirp because it is prime and its reverse (9694434031) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1304344969 - 21 = 1304344967 is a prime.

It is a super-2 number, since 2×13043449692 = 3402631596311221922, which contains 22 as substring.

Together with 1304344967, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1304344967) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 652172484 + 652172485.

It is an arithmetic number, because the mean of its divisors is an integer number (652172485).

Almost surely, 21304344969 is an apocalyptic number.

It is an amenable number.

1304344969 is a deficient number, since it is larger than the sum of its proper divisors (1).

1304344969 is an equidigital number, since it uses as much as digits as its factorization.

1304344969 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 279936, while the sum is 43.

The square root of 1304344969 is about 36115.7163711313. The cubic root of 1304344969 is about 1092.6074458609.

The spelling of 1304344969 in words is "one billion, three hundred four million, three hundred forty-four thousand, nine hundred sixty-nine".