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230200220 = 22520815531
BaseRepresentation
bin11011011100010…
…01001110011100
3121001011101100002
431232021032130
5432412401340
634501553432
75463445445
oct1556111634
9531141302
10230200220
11108a3a918
1265115878
13388cc463
14228042cc
1515322715
hexdb8939c

230200220 has 24 divisors (see below), whose sum is σ = 483740208. Its totient is φ = 92019200.

The previous prime is 230200207. The next prime is 230200237. The reversal of 230200220 is 22002032.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38855 + ... + 44385.

It is an arithmetic number, because the mean of its divisors is an integer number (20155842).

Almost surely, 2230200220 is an apocalyptic number.

230200220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

230200220 is an abundant number, since it is smaller than the sum of its proper divisors (253539988).

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

230200220 is a wasteful number, since it uses less digits than its factorization.

230200220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7621 (or 7619 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 11.

The square root of 230200220 is about 15172.3505100561. The cubic root of 230200220 is about 612.8703033583.

Adding to 230200220 its reverse (22002032), we get a palindrome (252202252).

The spelling of 230200220 in words is "two hundred thirty million, two hundred thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 2081 4162 5531 8324 10405 11062 20810 22124 27655 41620 55310 110620 11510011 23020022 46040044 57550055 115100110 230200220