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230758441 = 972378953
BaseRepresentation
bin11011100000100…
…01100000101001
3121002012202001221
431300101200221
5433033232231
634521542041
75501262064
oct1560214051
9532182057
10230758441
11109291261
1265344921
1338a66574
142290b8db
15153d2d11
hexdc11829

230758441 has 4 divisors (see below), whose sum is σ = 233137492. Its totient is φ = 228379392.

The previous prime is 230758403. The next prime is 230758453. The reversal of 230758441 is 144857032.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 112275216 + 118483225 = 10596^2 + 10885^2 .

It is a cyclic number.

It is not a de Polignac number, because 230758441 - 27 = 230758313 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 230758397 and 230758406.

It is not an unprimeable number, because it can be changed into a prime (230758741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1189380 + ... + 1189573.

It is an arithmetic number, because the mean of its divisors is an integer number (58284373).

Almost surely, 2230758441 is an apocalyptic number.

It is an amenable number.

230758441 is a deficient number, since it is larger than the sum of its proper divisors (2379051).

230758441 is an equidigital number, since it uses as much as digits as its factorization.

230758441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2379050.

The product of its (nonzero) digits is 26880, while the sum is 34.

The square root of 230758441 is about 15190.7353673218. The cubic root of 230758441 is about 613.3652940641.

The spelling of 230758441 in words is "two hundred thirty million, seven hundred fifty-eight thousand, four hundred forty-one".

Divisors: 1 97 2378953 230758441