Search a number
-
+
1112320220 = 225118956809
BaseRepresentation
bin100001001001100…
…1010100011011100
32212112000201111012
41002103022203130
54234223221340
6302212514352
736364365044
oct10223124334
92775021435
101112320220
1152096a710
1227061b9b8
131495a565b
14a7a28724
15679bb565
hex424ca8dc

1112320220 has 48 divisors (see below), whose sum is σ = 2576901600. Its totient is φ = 399928320.

The previous prime is 1112320213. The next prime is 1112320241. The reversal of 1112320220 is 220232111.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1112320195 and 1112320204.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 8825 + ... + 47984.

It is an arithmetic number, because the mean of its divisors is an integer number (53685450).

Almost surely, 21112320220 is an apocalyptic number.

1112320220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1112320220 is an abundant number, since it is smaller than the sum of its proper divisors (1464581380).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1112320220 is a wasteful number, since it uses less digits than its factorization.

1112320220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56918 (or 56916 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 1112320220 is about 33351.4650352874. The cubic root of 1112320220 is about 1036.1197306999.

Adding to 1112320220 its reverse (220232111), we get a palindrome (1332552331).

The spelling of 1112320220 in words is "one billion, one hundred twelve million, three hundred twenty thousand, two hundred twenty".

Divisors: 1 2 4 5 10 11 20 22 44 55 89 110 178 220 356 445 890 979 1780 1958 3916 4895 9790 19580 56809 113618 227236 284045 568090 624899 1136180 1249798 2499596 3124495 5056001 6248990 10112002 12497980 20224004 25280005 50560010 55616011 101120020 111232022 222464044 278080055 556160110 1112320220