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230514245 = 5133546373
BaseRepresentation
bin11011011110101…
…01111001000101
3121001202100002122
431233111321011
5433002423440
634512415325
75466224123
oct1557257105
9531670078
10230514245
11109134845
1265247545
13389ac380
1422886913
15153857b5
hexdbd5e45

230514245 has 8 divisors (see below), whose sum is σ = 297895416. Its totient is φ = 170225856.

The previous prime is 230514199. The next prime is 230514247. The reversal of 230514245 is 542415032.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 5094049 + 225420196 = 2257^2 + 15014^2 .

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 230514245 - 210 = 230513221 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230514247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1773122 + ... + 1773251.

It is an arithmetic number, because the mean of its divisors is an integer number (37236927).

Almost surely, 2230514245 is an apocalyptic number.

It is an amenable number.

230514245 is a deficient number, since it is larger than the sum of its proper divisors (67381171).

230514245 is a wasteful number, since it uses less digits than its factorization.

230514245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3546391.

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 230514245 is about 15182.6955775317. The cubic root of 230514245 is about 613.1488567422.

Adding to 230514245 its reverse (542415032), we get a palindrome (772929277).

The spelling of 230514245 in words is "two hundred thirty million, five hundred fourteen thousand, two hundred forty-five".

Divisors: 1 5 13 65 3546373 17731865 46102849 230514245