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1454238449 is a prime number
BaseRepresentation
bin101011010101101…
…1110101011110001
310202100101222010022
41112223132223301
510434241112244
6400145213225
751015552146
oct12653365361
93670358108
101454238449
11686974964
12347031215
131a238c131
14db1d03cd
1587a0a6ee
hex56adeaf1

1454238449 has 2 divisors, whose sum is σ = 1454238450. Its totient is φ = 1454238448.

The previous prime is 1454238439. The next prime is 1454238481. The reversal of 1454238449 is 9448324541.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 964413025 + 489825424 = 31055^2 + 22132^2 .

It is a cyclic number.

It is not a de Polignac number, because 1454238449 - 28 = 1454238193 is a prime.

It is a super-2 number, since 2×14542384492 = 4229618933099851202, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (1454238439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 727119224 + 727119225.

It is an arithmetic number, because the mean of its divisors is an integer number (727119225).

Almost surely, 21454238449 is an apocalyptic number.

It is an amenable number.

1454238449 is a deficient number, since it is larger than the sum of its proper divisors (1).

1454238449 is an equidigital number, since it uses as much as digits as its factorization.

1454238449 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 552960, while the sum is 44.

The square root of 1454238449 is about 38134.4784807659. The cubic root of 1454238449 is about 1132.9529492672.

The spelling of 1454238449 in words is "one billion, four hundred fifty-four million, two hundred thirty-eight thousand, four hundred forty-nine".