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230730711 = 3694711071
BaseRepresentation
bin11011100000010…
…10101111010111
3121002011100000220
431300022233113
5433031340321
634521205423
75501115201
oct1560125727
9532140026
10230730711
11109272442
1265330873
1338a56a63
1422901771
15153c99c6
hexdc0abd7

230730711 has 8 divisors (see below), whose sum is σ = 307713024. Its totient is φ = 153784440.

The previous prime is 230730701. The next prime is 230730719. The reversal of 230730711 is 117037032.

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

It is not a de Polignac number, because 230730711 - 210 = 230729687 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230730719) 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, 15306 + ... + 26376.

It is an arithmetic number, because the mean of its divisors is an integer number (38464128).

Almost surely, 2230730711 is an apocalyptic number.

230730711 is a deficient number, since it is larger than the sum of its proper divisors (76982313).

230730711 is a wasteful number, since it uses less digits than its factorization.

230730711 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18021.

The product of its (nonzero) digits is 882, while the sum is 24.

The square root of 230730711 is about 15189.8226125258. The cubic root of 230730711 is about 613.3407239251.

Adding to 230730711 its reverse (117037032), we get a palindrome (347767743).

The spelling of 230730711 in words is "two hundred thirty million, seven hundred thirty thousand, seven hundred eleven".

Divisors: 1 3 6947 11071 20841 33213 76910237 230730711