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1106845389 = 321324117749
BaseRepresentation
bin100000111111001…
…0001111011001101
32212010201120102200
41001332101323031
54231323023024
6301455312113
736300013326
oct10176217315
92763646380
101106845389
11518870361
1226a81b639
13148409700
14a700144d
15672892c9
hex41f91ecd

1106845389 has 36 divisors (see below), whose sum is σ = 1773544500. Its totient is φ = 664485120.

The previous prime is 1106845351. The next prime is 1106845403. The reversal of 1106845389 is 9835486011.

1106845389 is a `hidden beast` number, since 1 + 106 + 8 + 4 + 538 + 9 = 666.

It can be written as a sum of positive squares in 6 ways, for example, as 724955625 + 381889764 = 26925^2 + 19542^2 .

It is not a de Polignac number, because 1106845389 - 211 = 1106843341 is a prime.

It is a super-2 number, since 2×11068453892 = 2450213430301122642, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1106845309) 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 in 35 ways as a sum of consecutive naturals, for example, 53487 + ... + 71235.

It is an arithmetic number, because the mean of its divisors is an integer number (49265125).

Almost surely, 21106845389 is an apocalyptic number.

It is an amenable number.

1106845389 is a deficient number, since it is larger than the sum of its proper divisors (666699111).

1106845389 is a wasteful number, since it uses less digits than its factorization.

1106845389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17822 (or 17806 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 45.

The square root of 1106845389 is about 33269.2859706968. The cubic root of 1106845389 is about 1034.4170097717.

The spelling of 1106845389 in words is "one billion, one hundred six million, eight hundred forty-five thousand, three hundred eighty-nine".

Divisors: 1 3 9 13 39 41 117 123 169 369 507 533 1521 1599 4797 6929 17749 20787 53247 62361 159741 230737 692211 727709 2076633 2183127 2999581 6549381 8998743 9460217 26996229 28380651 85141953 122982821 368948463 1106845389