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230312411 = 732901773
BaseRepresentation
bin11011011101001…
…00100111011011
3121001101002020022
431232210213123
5432424444121
634504221055
75464423520
oct1556444733
9531332208
10230312411
1110900713a
126516a78b
133893b544
1422833147
1515345aab
hexdba49db

230312411 has 4 divisors (see below), whose sum is σ = 263214192. Its totient is φ = 197410632.

The previous prime is 230312389. The next prime is 230312431. The reversal of 230312411 is 114213032.

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

It is a cyclic number.

It is not a de Polignac number, because 230312411 - 26 = 230312347 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 230312411.

It is not an unprimeable number, because it can be changed into a prime (230312431) 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 3 ways as a sum of consecutive naturals, for example, 16450880 + ... + 16450893.

It is an arithmetic number, because the mean of its divisors is an integer number (65803548).

Almost surely, 2230312411 is an apocalyptic number.

230312411 is a deficient number, since it is larger than the sum of its proper divisors (32901781).

230312411 is an equidigital number, since it uses as much as digits as its factorization.

230312411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32901780.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 230312411 is about 15176.0472785241. The cubic root of 230312411 is about 612.9698505628.

Adding to 230312411 its reverse (114213032), we get a palindrome (344525443).

The spelling of 230312411 in words is "two hundred thirty million, three hundred twelve thousand, four hundred eleven".

Divisors: 1 7 32901773 230312411