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230325517 = 1087211891
BaseRepresentation
bin11011011101001…
…11110100001101
3121001101202012201
431232213310031
5432430404032
634504401501
75464506652
oct1556476415
9531352181
10230325517
11109015a74
1265176291
13389444b6
1422837c29
15153498e7
hexdba7d0d

230325517 has 4 divisors (see below), whose sum is σ = 230538496. Its totient is φ = 230112540.

The previous prime is 230325509. The next prime is 230325523. The reversal of 230325517 is 715523032.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 230325517 - 23 = 230325509 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 (230325817) 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 3 ways as a sum of consecutive naturals, for example, 104859 + ... + 107032.

It is an arithmetic number, because the mean of its divisors is an integer number (57634624).

Almost surely, 2230325517 is an apocalyptic number.

It is an amenable number.

230325517 is a deficient number, since it is larger than the sum of its proper divisors (212979).

230325517 is a wasteful number, since it uses less digits than its factorization.

230325517 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212978.

The product of its (nonzero) digits is 6300, while the sum is 28.

The square root of 230325517 is about 15176.4790712471. The cubic root of 230325517 is about 612.9814774228.

Adding to 230325517 its reverse (715523032), we get a palindrome (945848549).

The spelling of 230325517 in words is "two hundred thirty million, three hundred twenty-five thousand, five hundred seventeen".

Divisors: 1 1087 211891 230325517