Search a number
-
+
220344232 = 23235920297
BaseRepresentation
bin11010010001000…
…10111110101000
3120100121122110111
431020202332220
5422402003412
633510424104
75313616003
oct1510427650
9510548414
10220344232
11103418979
1261962034
133685b304
142139a53a
15145272a7
hexd222fa8

220344232 has 32 divisors (see below), whose sum is σ = 438436800. Its totient is φ = 103590784.

The previous prime is 220344217. The next prime is 220344239. The reversal of 220344232 is 232443022.

It is not an unprimeable number, because it can be changed into a prime (220344239) 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 7 ways as a sum of consecutive naturals, for example, 708 + ... + 21004.

It is an arithmetic number, because the mean of its divisors is an integer number (13701150).

Almost surely, 2220344232 is an apocalyptic number.

It is an amenable number.

220344232 is a deficient number, since it is larger than the sum of its proper divisors (218092568).

220344232 is a wasteful number, since it uses less digits than its factorization.

220344232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20385 (or 20381 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 22.

The square root of 220344232 is about 14843.9964969007. The cubic root of 220344232 is about 603.9957676998.

Adding to 220344232 its reverse (232443022), we get a palindrome (452787254).

The spelling of 220344232 in words is "two hundred twenty million, three hundred forty-four thousand, two hundred thirty-two".

Divisors: 1 2 4 8 23 46 59 92 118 184 236 472 1357 2714 5428 10856 20297 40594 81188 162376 466831 933662 1197523 1867324 2395046 3734648 4790092 9580184 27543029 55086058 110172116 220344232