Search a number
-
+
30563045 = 589173397
BaseRepresentation
bin111010010010…
…1101011100101
32010111202121122
41310211223211
530311004140
63011023325
7520532042
oct164455345
963452548
1030563045
1116285517
12a29ab45
136441356
1440b81c9
152a3aab5
hex1d25ae5

30563045 has 16 divisors (see below), whose sum is σ = 37396080. Its totient is φ = 23975424.

The previous prime is 30563041. The next prime is 30563047. The reversal of 30563045 is 54036503.

It can be written as a sum of positive squares in 8 ways, for example, as 247009 + 30316036 = 497^2 + 5506^2 .

It is a cyclic number.

It is not a de Polignac number, because 30563045 - 22 = 30563041 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30563041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 76787 + ... + 77183.

It is an arithmetic number, because the mean of its divisors is an integer number (2337255).

Almost surely, 230563045 is an apocalyptic number.

It is an amenable number.

30563045 is a deficient number, since it is larger than the sum of its proper divisors (6833035).

30563045 is a wasteful number, since it uses less digits than its factorization.

30563045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 664.

The product of its (nonzero) digits is 5400, while the sum is 26.

The square root of 30563045 is about 5528.3853881581. The cubic root of 30563045 is about 312.6551165916.

Adding to 30563045 its reverse (54036503), we get a palindrome (84599548).

The spelling of 30563045 in words is "thirty million, five hundred sixty-three thousand, forty-five".

Divisors: 1 5 89 173 397 445 865 1985 15397 35333 68681 76985 176665 343405 6112609 30563045