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1105240045 = 571323105613
BaseRepresentation
bin100000111100000…
…1001111111101101
32212000201000022111
41001320021333231
54230420140140
6301401044021
736250246120
oct10170117755
92760630274
101105240045
11517974228
1226a186611
13147c96ac0
14a6b043b7
156706d7ea
hex41e09fed

1105240045 has 32 divisors (see below), whose sum is σ = 1703342592. Its totient is φ = 669157632.

The previous prime is 1105240033. The next prime is 1105240063. The reversal of 1105240045 is 5400425011.

It is not a de Polignac number, because 1105240045 - 27 = 1105239917 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1105239998 and 1105240025.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 42342 + ... + 63271.

It is an arithmetic number, because the mean of its divisors is an integer number (53229456).

Almost surely, 21105240045 is an apocalyptic number.

It is an amenable number.

1105240045 is a deficient number, since it is larger than the sum of its proper divisors (598102547).

1105240045 is a wasteful number, since it uses less digits than its factorization.

1105240045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105661.

The product of its (nonzero) digits is 800, while the sum is 22.

The square root of 1105240045 is about 33245.1506990117. The cubic root of 1105240045 is about 1033.9166693043.

Adding to 1105240045 its reverse (5400425011), we get a palindrome (6505665056).

The spelling of 1105240045 in words is "one billion, one hundred five million, two hundred forty thousand, forty-five".

Divisors: 1 5 7 13 23 35 65 91 115 161 299 455 805 1495 2093 10465 105613 528065 739291 1372969 2429099 3696455 6864845 9610783 12145495 17003693 31578287 48053915 85018465 157891435 221048009 1105240045