Search a number
-
+
30222112 = 252813361
BaseRepresentation
bin111001101001…
…0011100100000
32002212102221111
41303102130200
530214101422
62555433104
7514612054
oct163223440
962772844
1030222112
1116072358
12a155794
13635210b
144029c64
1529bea77
hex1cd2720

30222112 has 24 divisors (see below), whose sum is σ = 59729292. Its totient is φ = 15052800.

The previous prime is 30222109. The next prime is 30222131. The reversal of 30222112 is 21122203.

It can be written as a sum of positive squares in 2 ways, for example, as 28772496 + 1449616 = 5364^2 + 1204^2 .

It is a junction number, because it is equal to n+sod(n) for n = 30222092 and 30222101.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7312 + ... + 10672.

Almost surely, 230222112 is an apocalyptic number.

30222112 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

30222112 is a deficient number, since it is larger than the sum of its proper divisors (29507180).

30222112 is a wasteful number, since it uses less digits than its factorization.

30222112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3652 (or 3644 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 30222112 is about 5497.4641426752. The cubic root of 30222112 is about 311.4882032175.

Adding to 30222112 its reverse (21122203), we get a palindrome (51344315).

Subtracting from 30222112 its reverse (21122203), we obtain a palindrome (9099909).

The spelling of 30222112 in words is "thirty million, two hundred twenty-two thousand, one hundred twelve".

Divisors: 1 2 4 8 16 32 281 562 1124 2248 3361 4496 6722 8992 13444 26888 53776 107552 944441 1888882 3777764 7555528 15111056 30222112