Search a number
-
+
220204710 = 23351174143
BaseRepresentation
bin11010010000000…
…00111010100110
3120100100120002000
431020000322212
5422333022320
633503430130
75312465145
oct1510007246
9510316060
10220204710
11103333070
12618b5346
133680c95b
142136175c
15144eac90
hexd200ea6

220204710 has 64 divisors (see below), whose sum is σ = 640604160. Its totient is φ = 53382240.

The previous prime is 220204709. The next prime is 220204717. The reversal of 220204710 is 17402022.

It is a super-3 number, since 3×2202047103 (a number of 26 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220204717) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 34102 + ... + 40041.

It is an arithmetic number, because the mean of its divisors is an integer number (10009440).

Almost surely, 2220204710 is an apocalyptic number.

220204710 is an abundant number, since it is smaller than the sum of its proper divisors (420399450).

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

220204710 is a wasteful number, since it uses less digits than its factorization.

220204710 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74170 (or 74164 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 18.

The square root of 220204710 is about 14839.2961423377. The cubic root of 220204710 is about 603.8682573800.

Adding to 220204710 its reverse (17402022), we get a palindrome (237606732).

The spelling of 220204710 in words is "two hundred twenty million, two hundred four thousand, seven hundred ten".

Divisors: 1 2 3 5 6 9 10 11 15 18 22 27 30 33 45 54 55 66 90 99 110 135 165 198 270 297 330 495 594 990 1485 2970 74143 148286 222429 370715 444858 667287 741430 815573 1112145 1334574 1631146 2001861 2224290 2446719 3336435 4003722 4077865 4893438 6672870 7340157 8155730 10009305 12233595 14680314 20018610 22020471 24467190 36700785 44040942 73401570 110102355 220204710