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230247325 = 5273112441
BaseRepresentation
bin11011011100101…
…00101110011101
3121001020202221201
431232110232131
5432420403300
634502555501
75464033000
oct1556245635
9531222851
10230247325
11108a72250
1265138b91
1338917a29
1422817537
151533166a
hexdb94b9d

230247325 has 48 divisors (see below), whose sum is σ = 363369600. Its totient is φ = 143472000.

The previous prime is 230247293. The next prime is 230247341. The reversal of 230247325 is 523742032.

It is not a de Polignac number, because 230247325 - 25 = 230247293 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 230247293 and 230247302.

It is a congruent number.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 93105 + ... + 95545.

It is an arithmetic number, because the mean of its divisors is an integer number (7570200).

Almost surely, 2230247325 is an apocalyptic number.

230247325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

230247325 is a deficient number, since it is larger than the sum of its proper divisors (133122275).

230247325 is a wasteful number, since it uses less digits than its factorization.

230247325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2483 (or 2464 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 28.

The square root of 230247325 is about 15173.9027609907. The cubic root of 230247325 is about 612.9121036177.

Adding to 230247325 its reverse (523742032), we get a palindrome (753989357).

The spelling of 230247325 in words is "two hundred thirty million, two hundred forty-seven thousand, three hundred twenty-five".

Divisors: 1 5 7 11 25 35 49 55 77 175 245 275 343 385 539 1225 1715 1925 2441 2695 3773 8575 12205 13475 17087 18865 26851 61025 85435 94325 119609 134255 187957 427175 598045 671275 837263 939785 1315699 2990225 4186315 4698925 6578495 9209893 20931575 32892475 46049465 230247325