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230841507 = 31319615107
BaseRepresentation
bin11011100001001…
…01110010100011
3121002100222000110
431300211302203
5433043412012
634523422403
75502056211
oct1560456243
9532328013
10230841507
11109338706
1265384a03
1338a95310
142292dcb1
15153ec73c
hexdc25ca3

230841507 has 32 divisors (see below), whose sum is σ = 354699520. Its totient is φ = 132347520.

The previous prime is 230841461. The next prime is 230841511. The reversal of 230841507 is 705148032.

230841507 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 230841507 - 216 = 230775971 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (230841517) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 42648 + ... + 47754.

It is an arithmetic number, because the mean of its divisors is an integer number (11084360).

Almost surely, 2230841507 is an apocalyptic number.

230841507 is a deficient number, since it is larger than the sum of its proper divisors (123858013).

230841507 is a wasteful number, since it uses less digits than its factorization.

230841507 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5203.

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 230841507 is about 15193.4692220046. The cubic root of 230841507 is about 613.4388828338.

Adding to 230841507 its reverse (705148032), we get a palindrome (935989539).

The spelling of 230841507 in words is "two hundred thirty million, eight hundred forty-one thousand, five hundred seven".

Divisors: 1 3 13 19 39 57 61 183 247 741 793 1159 2379 3477 5107 15067 15321 45201 66391 97033 199173 291099 311527 934581 1261429 3784287 4049851 5919013 12149553 17757039 76947169 230841507