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230205310 = 2531174021
BaseRepresentation
bin11011011100010…
…10011101111110
3121001011122022121
431232022131332
5432413032220
634502033154
75463466336
oct1556123576
9531148277
10230205310
11108a43725
12651187ba
133890187a
14228060c6
1515323eaa
hexdb8a77e

230205310 has 16 divisors (see below), whose sum is σ = 415707552. Its totient is φ = 91784800.

The previous prime is 230205301. The next prime is 230205317. The reversal of 230205310 is 13502032.

It is a super-2 number, since 2×2302053102 = 105988969504392200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230205317) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33901 + ... + 40120.

It is an arithmetic number, because the mean of its divisors is an integer number (25981722).

Almost surely, 2230205310 is an apocalyptic number.

230205310 is a deficient number, since it is larger than the sum of its proper divisors (185502242).

230205310 is a wasteful number, since it uses less digits than its factorization.

230205310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74339.

The product of its (nonzero) digits is 180, while the sum is 16.

The square root of 230205310 is about 15172.5182484649. The cubic root of 230205310 is about 612.8748204216.

Adding to 230205310 its reverse (13502032), we get a palindrome (243707342).

The spelling of 230205310 in words is "two hundred thirty million, two hundred five thousand, three hundred ten".

Divisors: 1 2 5 10 311 622 1555 3110 74021 148042 370105 740210 23020531 46041062 115102655 230205310