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230248518 = 2389541797
BaseRepresentation
bin11011011100101…
…01000001000110
3121001020211120220
431232111001012
5432420423033
634503005210
75464036323
oct1556250106
9531224526
10230248518
11108a73135
1265139806
1338918436
1422817b4a
1515331bb3
hexdb95046

230248518 has 32 divisors (see below), whose sum is σ = 467117280. Its totient is φ = 75651840.

The previous prime is 230248489. The next prime is 230248519. The reversal of 230248518 is 815842032.

230248518 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-4 number, since 4×2302485184 (a number of 35 digits) contains 4444 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230248519) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 288496 + ... + 289292.

It is an arithmetic number, because the mean of its divisors is an integer number (14597415).

Almost surely, 2230248518 is an apocalyptic number.

230248518 is an abundant number, since it is smaller than the sum of its proper divisors (236868762).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

230248518 is a wasteful number, since it uses less digits than its factorization.

230248518 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1432.

The product of its (nonzero) digits is 15360, while the sum is 33.

The square root of 230248518 is about 15173.9420718546. The cubic root of 230248518 is about 612.9131621937.

The spelling of 230248518 in words is "two hundred thirty million, two hundred forty-eight thousand, five hundred eighteen".

Divisors: 1 2 3 6 89 178 267 534 541 797 1082 1594 1623 2391 3246 4782 48149 70933 96298 141866 144447 212799 288894 425598 431177 862354 1293531 2587062 38374753 76749506 115124259 230248518