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1454542069 is a prime number
BaseRepresentation
bin101011010110010…
…1000110011110101
310202100222101121111
41112230220303311
510434330321234
6400155515021
751021255301
oct12654506365
93670871544
101454542069
11687061a92
12347158a71
131a24673a6
14db26cd01
1587a6a664
hex56b28cf5

1454542069 has 2 divisors, whose sum is σ = 1454542070. Its totient is φ = 1454542068.

The previous prime is 1454542027. The next prime is 1454542109. The reversal of 1454542069 is 9602454541.

It is an a-pointer prime, because the next prime (1454542109) can be obtained adding 1454542069 to its sum of digits (40).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1093161969 + 361380100 = 33063^2 + 19010^2 .

It is a cyclic number.

It is not a de Polignac number, because 1454542069 - 223 = 1446153461 is a prime.

It is a super-2 number, since 2×14545420692 = 4231385260981601522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1454542669) 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, 727271034 + 727271035.

It is an arithmetic number, because the mean of its divisors is an integer number (727271035).

Almost surely, 21454542069 is an apocalyptic number.

It is an amenable number.

1454542069 is a deficient number, since it is larger than the sum of its proper divisors (1).

1454542069 is an equidigital number, since it uses as much as digits as its factorization.

1454542069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 172800, while the sum is 40.

The square root of 1454542069 is about 38138.4591849225. The cubic root of 1454542069 is about 1133.0317908166.

The spelling of 1454542069 in words is "one billion, four hundred fifty-four million, five hundred forty-two thousand, sixty-nine".