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230641101 = 348113511
BaseRepresentation
bin11011011111101…
…00110111001101
3121001222210010000
431233310313031
5433021003401
634515234513
75500263015
oct1557646715
9531883100
10230641101
11109211089
12652a8a39
1338a25032
14228bac45
15153ad186
hexdbf4dcd

230641101 has 20 divisors (see below), whose sum is σ = 345061024. Its totient is φ = 153527400.

The previous prime is 230641087. The next prime is 230641129. The reversal of 230641101 is 101146032.

It is a happy number.

230641101 is a `hidden beast` number, since 23 + 0 + 641 + 1 + 0 + 1 = 666.

It is not a de Polignac number, because 230641101 - 25 = 230641069 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 (230641181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 63936 + ... + 67446.

Almost surely, 2230641101 is an apocalyptic number.

It is an amenable number.

230641101 is a deficient number, since it is larger than the sum of its proper divisors (114419923).

230641101 is an equidigital number, since it uses as much as digits as its factorization.

230641101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4334 (or 4325 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 230641101 is about 15186.8726537098. The cubic root of 230641101 is about 613.2613116111.

Adding to 230641101 its reverse (101146032), we get a palindrome (331787133).

The spelling of 230641101 in words is "two hundred thirty million, six hundred forty-one thousand, one hundred one".

Divisors: 1 3 9 27 81 811 2433 3511 7299 10533 21897 31599 65691 94797 284391 2847421 8542263 25626789 76880367 230641101