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122210242 = 27112193797
BaseRepresentation
bin1110100100011…
…00011111000010
322111221220221021
413102030133002
5222241211432
620043220054
73012525040
oct722143702
9274856837
10122210242
1162a91400
1234b1762a
131c41bc6b
1412333390
15aae0697
hex748c7c2

122210242 has 48 divisors (see below), whose sum is σ = 242464320. Its totient is φ = 45096480.

The previous prime is 122210233. The next prime is 122210243. The reversal of 122210242 is 242012221.

It is not an unprimeable number, because it can be changed into a prime (122210243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 30288 + ... + 34084.

It is an arithmetic number, because the mean of its divisors is an integer number (5051340).

Almost surely, 2122210242 is an apocalyptic number.

122210242 is a deficient number, since it is larger than the sum of its proper divisors (120254078).

122210242 is a wasteful number, since it uses less digits than its factorization.

122210242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3847 (or 3836 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 122210242 is about 11054.8741286367. The cubic root of 122210242 is about 496.2523023748.

Adding to 122210242 its reverse (242012221), we get a palindrome (364222463).

The spelling of 122210242 in words is "one hundred twenty-two million, two hundred ten thousand, two hundred forty-two".

Divisors: 1 2 7 11 14 19 22 38 77 121 133 154 209 242 266 418 847 1463 1694 2299 2926 3797 4598 7594 16093 26579 32186 41767 53158 72143 83534 144286 292369 459437 505001 584738 793573 918874 1010002 1587146 3216059 5555011 6432118 8729303 11110022 17458606 61105121 122210242