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1106384581 is a prime number
BaseRepresentation
bin100000111110010…
…0001011011000101
32212002212011022201
41001330201123011
54231213301311
6301441354501
736263054011
oct10174413305
92762764281
101106384581
11518586125
1226a638a31
131482a7a43
14a6d21541
15671e79c1
hex41f216c5

1106384581 has 2 divisors, whose sum is σ = 1106384582. Its totient is φ = 1106384580.

The previous prime is 1106384563. The next prime is 1106384623. The reversal of 1106384581 is 1854836011.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 905709025 + 200675556 = 30095^2 + 14166^2 .

It is a cyclic number.

It is not a de Polignac number, because 1106384581 - 211 = 1106382533 is a prime.

It is a super-2 number, since 2×11063845812 = 2448173682149091122, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1106384581.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1106384561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 553192290 + 553192291.

It is an arithmetic number, because the mean of its divisors is an integer number (553192291).

Almost surely, 21106384581 is an apocalyptic number.

It is an amenable number.

1106384581 is a deficient number, since it is larger than the sum of its proper divisors (1).

1106384581 is an equidigital number, since it uses as much as digits as its factorization.

1106384581 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23040, while the sum is 37.

The square root of 1106384581 is about 33262.3598230793. The cubic root of 1106384581 is about 1034.2734384404.

The spelling of 1106384581 in words is "one billion, one hundred six million, three hundred eighty-four thousand, five hundred eighty-one".