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230303441 = 1973373469
BaseRepresentation
bin11011011101000…
…10011011010001
3121001100121221002
431232202123101
5432424202231
634504111345
75464355414
oct1556423321
9531317832
10230303441
11109000425
1265165555
1338937434
142282db7b
15153430cb
hexdba26d1

230303441 has 8 divisors (see below), whose sum is σ = 232226280. Its totient is φ = 228388608.

The previous prime is 230303417. The next prime is 230303443. The reversal of 230303441 is 144303032.

It can be written as a sum of positive squares in 4 ways, for example, as 18309841 + 211993600 = 4279^2 + 14560^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 230303441 - 26 = 230303377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (230303443) 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, 64655 + ... + 68123.

It is an arithmetic number, because the mean of its divisors is an integer number (29028285).

Almost surely, 2230303441 is an apocalyptic number.

It is an amenable number.

230303441 is a deficient number, since it is larger than the sum of its proper divisors (1922839).

230303441 is a wasteful number, since it uses less digits than its factorization.

230303441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4003.

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 230303441 is about 15175.7517441476. The cubic root of 230303441 is about 612.9618926606.

Adding to 230303441 its reverse (144303032), we get a palindrome (374606473).

The spelling of 230303441 in words is "two hundred thirty million, three hundred three thousand, four hundred forty-one".

Divisors: 1 197 337 3469 66389 683393 1169053 230303441