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1420300757 is a prime number
BaseRepresentation
bin101010010101000…
…0001000111010101
310122222112202100202
41110222001013111
510402044111012
6352533550245
750124233351
oct12452010725
93588482322
101420300757
116697a4a87
123377a5385
13198338a65
14d68b8461
1584a54cc2
hex54a811d5

1420300757 has 2 divisors, whose sum is σ = 1420300758. Its totient is φ = 1420300756.

The previous prime is 1420300741. The next prime is 1420300813. The reversal of 1420300757 is 7570030241.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1408425841 + 11874916 = 37529^2 + 3446^2 .

It is an emirp because it is prime and its reverse (7570030241) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1420300757 - 24 = 1420300741 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1420300457) 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, 710150378 + 710150379.

It is an arithmetic number, because the mean of its divisors is an integer number (710150379).

Almost surely, 21420300757 is an apocalyptic number.

It is an amenable number.

1420300757 is a deficient number, since it is larger than the sum of its proper divisors (1).

1420300757 is an equidigital number, since it uses as much as digits as its factorization.

1420300757 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5880, while the sum is 29.

The square root of 1420300757 is about 37686.8777825916. The cubic root of 1420300757 is about 1124.0702130314.

Adding to 1420300757 its reverse (7570030241), we get a palindrome (8990330998).

The spelling of 1420300757 in words is "one billion, four hundred twenty million, three hundred thousand, seven hundred fifty-seven".