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1422001541 is a prime number
BaseRepresentation
bin101010011000010…
…0000010110000101
310200002202011101202
41110300200112011
510403013022131
6353034232245
750144546042
oct12460402605
93602664352
101422001541
1166a756894
12338285685
131987b2c3c
14d6bdc1c9
1584c8dbcb
hex54c20585

1422001541 has 2 divisors, whose sum is σ = 1422001542. Its totient is φ = 1422001540.

The previous prime is 1422001517. The next prime is 1422001571. The reversal of 1422001541 is 1451002241.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1103236225 + 318765316 = 33215^2 + 17854^2 .

It is a cyclic number.

It is not a de Polignac number, because 1422001541 - 214 = 1421985157 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1422001571) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 711000770 + 711000771.

It is an arithmetic number, because the mean of its divisors is an integer number (711000771).

Almost surely, 21422001541 is an apocalyptic number.

It is an amenable number.

1422001541 is a deficient number, since it is larger than the sum of its proper divisors (1).

1422001541 is an equidigital number, since it uses as much as digits as its factorization.

1422001541 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 320, while the sum is 20.

The square root of 1422001541 is about 37709.4357024870. The cubic root of 1422001541 is about 1124.5187185130.

Adding to 1422001541 its reverse (1451002241), we get a palindrome (2873003782).

The spelling of 1422001541 in words is "one billion, four hundred twenty-two million, one thousand, five hundred forty-one".