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230284715 = 5149309107
BaseRepresentation
bin11011011100111…
…01110110101011
3121001022200020112
431232131312223
5432423102330
634503444535
75464250003
oct1556356653
9531280215
10230284715
11108a98351
126515674b
133892ba5b
1422827003
151533c795
hexdb9ddab

230284715 has 8 divisors (see below), whose sum is σ = 278197200. Its totient is φ = 182990752.

The previous prime is 230284697. The next prime is 230284721. The reversal of 230284715 is 517482032.

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 230284715 - 218 = 230022571 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 153809 + ... + 155298.

It is an arithmetic number, because the mean of its divisors is an integer number (34774650).

Almost surely, 2230284715 is an apocalyptic number.

230284715 is a deficient number, since it is larger than the sum of its proper divisors (47912485).

230284715 is a wasteful number, since it uses less digits than its factorization.

230284715 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 309261.

The product of its (nonzero) digits is 13440, while the sum is 32.

The square root of 230284715 is about 15175.1347605219. The cubic root of 230284715 is about 612.9452788756.

The spelling of 230284715 in words is "two hundred thirty million, two hundred eighty-four thousand, seven hundred fifteen".

Divisors: 1 5 149 745 309107 1545535 46056943 230284715