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220111230 = 2357337041
BaseRepresentation
bin11010001111010…
…10000101111110
3120100011210211210
431013222011332
5422322024410
633501425250
75311625463
oct1507520576
9510153753
10220111230
11103279909
126186b226
13367a9241
142133966a
15144cd220
hexd1ea17e

220111230 has 16 divisors (see below), whose sum is σ = 528267024. Its totient is φ = 58696320.

The previous prime is 220111217. The next prime is 220111259. The reversal of 220111230 is 32111022.

It is a super-2 number, since 2×2201112302 = 96897907144225800, which contains 22 as substring.

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, 3668491 + ... + 3668550.

It is an arithmetic number, because the mean of its divisors is an integer number (33016689).

Almost surely, 2220111230 is an apocalyptic number.

220111230 is an abundant number, since it is smaller than the sum of its proper divisors (308155794).

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

220111230 is a wasteful number, since it uses less digits than its factorization.

220111230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7337051.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 220111230 is about 14836.1460629100. The cubic root of 220111230 is about 603.7827950928.

Adding to 220111230 its reverse (32111022), we get a palindrome (252222252).

It can be divided in two parts, 2201 and 11230, that added together give a palindrome (13431).

The spelling of 220111230 in words is "two hundred twenty million, one hundred eleven thousand, two hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 7337041 14674082 22011123 36685205 44022246 73370410 110055615 220111230