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452131349 is a prime number
BaseRepresentation
bin11010111100101…
…111101000010101
31011111202122121112
4122330233220111
51411221200344
6112510424405
714130024125
oct3274575025
91144678545
10452131349
11212241a7a
12107502105
1372894b57
1444094c85
1529a5ec9e
hex1af2fa15

452131349 has 2 divisors, whose sum is σ = 452131350. Its totient is φ = 452131348.

The previous prime is 452131327. The next prime is 452131363. The reversal of 452131349 is 943131254.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 415140625 + 36990724 = 20375^2 + 6082^2 .

It is a cyclic number.

It is not a de Polignac number, because 452131349 - 220 = 451082773 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (452131549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 226065674 + 226065675.

It is an arithmetic number, because the mean of its divisors is an integer number (226065675).

Almost surely, 2452131349 is an apocalyptic number.

It is an amenable number.

452131349 is a deficient number, since it is larger than the sum of its proper divisors (1).

452131349 is an equidigital number, since it uses as much as digits as its factorization.

452131349 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12960, while the sum is 32.

The square root of 452131349 is about 21263.3804697184. The cubic root of 452131349 is about 767.5173590842.

The spelling of 452131349 in words is "four hundred fifty-two million, one hundred thirty-one thousand, three hundred forty-nine".