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1343030449 is a prime number
BaseRepresentation
bin101000000001101…
…0000010010110001
310110121011000102111
41100003100102301
510222303433244
6341133445321
745165366445
oct12003202261
93417130374
101343030449
1162a118722
12315940841
13185322c97
14ca522825
157cd8ee34
hex500d04b1

1343030449 has 2 divisors, whose sum is σ = 1343030450. Its totient is φ = 1343030448.

The previous prime is 1343030419. The next prime is 1343030501. The reversal of 1343030449 is 9440303431.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1075380849 + 267649600 = 32793^2 + 16360^2 .

It is a cyclic number.

It is not a de Polignac number, because 1343030449 - 25 = 1343030417 is a prime.

It is a super-2 number, since 2×13430304492 = 3607461573882283202, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1343030449.

It is not a weakly prime, because it can be changed into another prime (1343030419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 671515224 + 671515225.

It is an arithmetic number, because the mean of its divisors is an integer number (671515225).

Almost surely, 21343030449 is an apocalyptic number.

It is an amenable number.

1343030449 is a deficient number, since it is larger than the sum of its proper divisors (1).

1343030449 is an equidigital number, since it uses as much as digits as its factorization.

1343030449 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15552, while the sum is 31.

The square root of 1343030449 is about 36647.3798381276. The cubic root of 1343030449 is about 1103.3042378963.

The spelling of 1343030449 in words is "one billion, three hundred forty-three million, thirty thousand, four hundred forty-nine".