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4122243445 = 531375031429
BaseRepresentation
bin1111010110110100…
…0111000101110101
3101122021201122221011
43311231013011311
531420243242240
61521013552221
7204103330315
oct36555070565
911567648834
104122243445
111825998571
12970645671
13509052808
142b1695445
15191d706ea
hexf5b47175

4122243445 has 32 divisors (see below), whose sum is σ = 5258373120. Its totient is φ = 3096817920.

The previous prime is 4122243413. The next prime is 4122243449. The reversal of 4122243445 is 5443422214.

It is not a de Polignac number, because 4122243445 - 25 = 4122243413 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4122243449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2883991 + ... + 2885419.

It is an arithmetic number, because the mean of its divisors is an integer number (164324160).

Almost surely, 24122243445 is an apocalyptic number.

It is an amenable number.

4122243445 is a deficient number, since it is larger than the sum of its proper divisors (1136129675).

4122243445 is a wasteful number, since it uses less digits than its factorization.

4122243445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2005.

The product of its digits is 30720, while the sum is 31.

The square root of 4122243445 is about 64204.6995554064. The cubic root of 4122243445 is about 1603.4098431780.

Adding to 4122243445 its reverse (5443422214), we get a palindrome (9565665659).

The spelling of 4122243445 in words is "four billion, one hundred twenty-two million, two hundred forty-three thousand, four hundred forty-five".

Divisors: 1 5 31 37 155 185 503 1147 1429 2515 5735 7145 15593 18611 44299 52873 77965 93055 221495 264365 576941 718787 1639063 2884705 3593935 8195315 22282397 26595119 111411985 132975595 824448689 4122243445