Search a number
-
+
8230514285 = 571069219979
BaseRepresentation
bin1111010101001001…
…11010111001101101
3210020121011110001102
413222210322321231
5113324002424120
63440412252445
7410650134320
oct75244727155
923217143042
108230514285
113543a02224
121718471125
13a122224c6
145811507b7
15332880d75
hex1ea93ae6d

8230514285 has 16 divisors (see below), whose sum is σ = 11298172800. Its totient is φ = 5638476096.

The previous prime is 8230514263. The next prime is 8230514293. The reversal of 8230514285 is 5824150328.

It is a cyclic number.

It is not a de Polignac number, because 8230514285 - 214 = 8230497901 is a prime.

It is a super-3 number, since 3×82305142853 (a number of 31 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 72575 + ... + 147404.

It is an arithmetic number, because the mean of its divisors is an integer number (706135800).

Almost surely, 28230514285 is an apocalyptic number.

It is an amenable number.

8230514285 is a deficient number, since it is larger than the sum of its proper divisors (3067658515).

8230514285 is a wasteful number, since it uses less digits than its factorization.

8230514285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221060.

The product of its (nonzero) digits is 76800, while the sum is 38.

The square root of 8230514285 is about 90722.1818796263. The cubic root of 8230514285 is about 2019.0279187964.

The spelling of 8230514285 in words is "eight billion, two hundred thirty million, five hundred fourteen thousand, two hundred eighty-five".

Divisors: 1 5 7 35 1069 5345 7483 37415 219979 1099895 1539853 7699265 235157551 1175787755 1646102857 8230514285