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230514220 = 22517677983
BaseRepresentation
bin11011011110101…
…01111000101100
3121001202100001201
431233111320230
5433002423340
634512415244
75466224056
oct1557257054
9531670051
10230514220
11109134822
1265247524
13389ac361
14228868d6
151538579a
hexdbd5e2c

230514220 has 24 divisors (see below), whose sum is σ = 512555904. Its totient is φ = 86781696.

The previous prime is 230514199. The next prime is 230514247. The reversal of 230514220 is 22415032.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 338652 + ... + 339331.

It is an arithmetic number, because the mean of its divisors is an integer number (21356496).

Almost surely, 2230514220 is an apocalyptic number.

230514220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

230514220 is an abundant number, since it is smaller than the sum of its proper divisors (282041684).

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

230514220 is a wasteful number, since it uses less digits than its factorization.

230514220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 678009 (or 678007 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 230514220 is about 15182.6947542259. The cubic root of 230514220 is about 613.1488345763.

Adding to 230514220 its reverse (22415032), we get a palindrome (252929252).

The spelling of 230514220 in words is "two hundred thirty million, five hundred fourteen thousand, two hundred twenty".

Divisors: 1 2 4 5 10 17 20 34 68 85 170 340 677983 1355966 2711932 3389915 6779830 11525711 13559660 23051422 46102844 57628555 115257110 230514220