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230130411 = 3721725417
BaseRepresentation
bin11011011011110…
…00001011101011
3121001000211120120
431231320023223
5432403133121
634500254323
75463035100
oct1555701353
9531024516
10230130411
111089a2425
12650a13a3
13388a6754
14227c6aa7
151530bbc6
hexdb782eb

230130411 has 36 divisors (see below), whose sum is σ = 379238328. Its totient is φ = 123744768.

The previous prime is 230130401. The next prime is 230130431. The reversal of 230130411 is 114031032.

It is not a de Polignac number, because 230130411 - 25 = 230130379 is a prime.

It is not an unprimeable number, because it can be changed into a prime (230130401) 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 35 ways as a sum of consecutive naturals, for example, 39775 + ... + 45191.

It is an arithmetic number, because the mean of its divisors is an integer number (10534398).

Almost surely, 2230130411 is an apocalyptic number.

230130411 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

230130411 is a deficient number, since it is larger than the sum of its proper divisors (149107917).

230130411 is a wasteful number, since it uses less digits than its factorization.

230130411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5468 (or 5444 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 230130411 is about 15170.0498021595. The cubic root of 230130411 is about 612.8083454266.

Adding to 230130411 its reverse (114031032), we get a palindrome (344161443).

The spelling of 230130411 in words is "two hundred thirty million, one hundred thirty thousand, four hundred eleven".

Divisors: 1 3 7 17 21 49 51 119 147 289 357 833 867 2023 2499 5417 6069 14161 16251 37919 42483 92089 113757 265433 276267 644623 796299 1565513 1933869 4512361 4696539 10958591 13537083 32875773 76710137 230130411