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2142330442 = 274116722349
BaseRepresentation
bin111111110110001…
…0101111001001010
312112022011122212221
41333230111321022
513341414033232
6552325324254
7104042336230
oct17754257112
95468148787
102142330442
119aa32062a
124b956668a
13281abc365
14164748950
15c8129897
hex7fb15e4a

2142330442 has 32 divisors (see below), whose sum is σ = 3784838400. Its totient is φ = 890344320.

The previous prime is 2142330419. The next prime is 2142330479. The reversal of 2142330442 is 2440332412.

It is a happy number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 84684 + ... + 107032.

It is an arithmetic number, because the mean of its divisors is an integer number (118276200).

Almost surely, 22142330442 is an apocalyptic number.

2142330442 is a deficient number, since it is larger than the sum of its proper divisors (1642507958).

2142330442 is a wasteful number, since it uses less digits than its factorization.

2142330442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22566.

The product of its (nonzero) digits is 4608, while the sum is 25.

The square root of 2142330442 is about 46285.3156195353. The cubic root of 2142330442 is about 1289.1263523526.

Adding to 2142330442 its reverse (2440332412), we get a palindrome (4582662854).

The spelling of 2142330442 in words is "two billion, one hundred forty-two million, three hundred thirty thousand, four hundred forty-two".

Divisors: 1 2 7 14 41 82 167 287 334 574 1169 2338 6847 13694 22349 44698 47929 95858 156443 312886 916309 1832618 3732283 6414163 7464566 12828326 26125981 52251962 153023603 306047206 1071165221 2142330442