Search a number
-
+
30042212 = 2247159799
BaseRepresentation
bin111001010011…
…0100001100100
32002112022011112
41302212201210
530142322322
62551524152
7513232424
oct162464144
962468145
1030042212
1115a5a182
12a089658
1362bb275
143dc0484
1529865e2
hex1ca6864

30042212 has 12 divisors (see below), whose sum is σ = 53692800. Its totient is φ = 14701416.

The previous prime is 30042203. The next prime is 30042223. The reversal of 30042212 is 21224003.

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, 79712 + ... + 80087.

It is an arithmetic number, because the mean of its divisors is an integer number (4474400).

Almost surely, 230042212 is an apocalyptic number.

It is an amenable number.

30042212 is a deficient number, since it is larger than the sum of its proper divisors (23650588).

30042212 is a wasteful number, since it uses less digits than its factorization.

30042212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159850 (or 159848 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 30042212 is about 5481.0776312692. The cubic root of 30042212 is about 310.8689184048.

Adding to 30042212 its reverse (21224003), we get a palindrome (51266215).

The spelling of 30042212 in words is "thirty million, forty-two thousand, two hundred twelve".

Divisors: 1 2 4 47 94 188 159799 319598 639196 7510553 15021106 30042212