Search a number
-
+
30555244 = 2225729723
BaseRepresentation
bin111010010001…
…1110001101100
32010111100220201
41310203301230
530310231434
63010523244
7520500226
oct164436154
963440821
1030555244
111627a675
12a296524
13643a935
1440b5416
152a38614
hex1d23c6c

30555244 has 12 divisors (see below), whose sum is σ = 53681544. Its totient is φ = 15217664.

The previous prime is 30555223. The next prime is 30555251. The reversal of 30555244 is 44255503.

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 3 ways as a sum of consecutive naturals, for example, 13834 + ... + 15889.

It is an arithmetic number, because the mean of its divisors is an integer number (4473462).

Almost surely, 230555244 is an apocalyptic number.

It is an amenable number.

30555244 is a deficient number, since it is larger than the sum of its proper divisors (23126300).

30555244 is a wasteful number, since it uses less digits than its factorization.

30555244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29984 (or 29982 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 28.

The square root of 30555244 is about 5527.6798025935. The cubic root of 30555244 is about 312.6285133293.

The spelling of 30555244 in words is "thirty million, five hundred fifty-five thousand, two hundred forty-four".

Divisors: 1 2 4 257 514 1028 29723 59446 118892 7638811 15277622 30555244