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1427506349 is a prime number
BaseRepresentation
bin101010100010110…
…0000010010101101
310200111002211120112
41111011200102231
510410420200344
6353352225405
750242414043
oct12505402255
93614084515
101427506349
11672876715
1233a09b265
1319998c719
14d7832393
15854c9c9e
hex551604ad

1427506349 has 2 divisors, whose sum is σ = 1427506350. Its totient is φ = 1427506348.

The previous prime is 1427506343. The next prime is 1427506369. The reversal of 1427506349 is 9436057241.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1347403849 + 80102500 = 36707^2 + 8950^2 .

It is a cyclic number.

It is not a de Polignac number, because 1427506349 - 228 = 1159070893 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1427506343) 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, 713753174 + 713753175.

It is an arithmetic number, because the mean of its divisors is an integer number (713753175).

Almost surely, 21427506349 is an apocalyptic number.

It is an amenable number.

1427506349 is a deficient number, since it is larger than the sum of its proper divisors (1).

1427506349 is an equidigital number, since it uses as much as digits as its factorization.

1427506349 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 181440, while the sum is 41.

The square root of 1427506349 is about 37782.3549954208. The cubic root of 1427506349 is about 1125.9679173471.

The spelling of 1427506349 in words is "one billion, four hundred twenty-seven million, five hundred six thousand, three hundred forty-nine".