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1424242997 is a prime number
BaseRepresentation
bin101010011100100…
…0011100100110101
310200020222001002122
41110321003210311
510404101233442
6353154245325
750202602642
oct12471034465
93606861078
101424242997
11670a47931
12338b86845
131990b9248
14d7222dc9
1585082dd2
hex54e43935

1424242997 has 2 divisors, whose sum is σ = 1424242998. Its totient is φ = 1424242996.

The previous prime is 1424242987. The next prime is 1424243039. The reversal of 1424242997 is 7992424241.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1359101956 + 65141041 = 36866^2 + 8071^2 .

It is an emirp because it is prime and its reverse (7992424241) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1424242997 - 26 = 1424242933 is a prime.

It is a super-2 number, since 2×14242429972 = 4056936229007084018, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1424242987) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 712121498 + 712121499.

It is an arithmetic number, because the mean of its divisors is an integer number (712121499).

Almost surely, 21424242997 is an apocalyptic number.

It is an amenable number.

1424242997 is a deficient number, since it is larger than the sum of its proper divisors (1).

1424242997 is an equidigital number, since it uses as much as digits as its factorization.

1424242997 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 290304, while the sum is 44.

The square root of 1424242997 is about 37739.1440946930. The cubic root of 1424242997 is about 1125.1092560887.

The spelling of 1424242997 in words is "one billion, four hundred twenty-four million, two hundred forty-two thousand, nine hundred ninety-seven".