[go: up one dir, main page]

Search a number
-
+
230550245 = 5213721577
BaseRepresentation
bin11011011110111…
…10101011100101
3121001211011110222
431233132223211
5433010101440
634513254125
75466434102
oct1557365345
9531734428
10230550245
111091598a2
1265264345
13389c2883
1422895aa9
15153912b5
hexdbdeae5

230550245 has 8 divisors (see below), whose sum is σ = 276802584. Its totient is φ = 184345344.

The previous prime is 230550239. The next prime is 230550247. The reversal of 230550245 is 542055032.

It can be written as a sum of positive squares in 4 ways, for example, as 12013156 + 218537089 = 3466^2 + 14783^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 230550245 - 28 = 230549989 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230550247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 104 + ... + 21473.

It is an arithmetic number, because the mean of its divisors is an integer number (34600323).

Almost surely, 2230550245 is an apocalyptic number.

It is an amenable number.

230550245 is a deficient number, since it is larger than the sum of its proper divisors (46252339).

230550245 is a wasteful number, since it uses less digits than its factorization.

230550245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23719.

The product of its (nonzero) digits is 6000, while the sum is 26.

The square root of 230550245 is about 15183.8810914733. The cubic root of 230550245 is about 613.1807740899.

The spelling of 230550245 in words is "two hundred thirty million, five hundred fifty thousand, two hundred forty-five".

Divisors: 1 5 2137 10685 21577 107885 46110049 230550245