Search a number
-
+
220321060 = 22591911987
BaseRepresentation
bin11010010000111…
…01010100100100
3120100120110200021
431020131110210
5422400233220
633510124524
75313461311
oct1510352444
9510513607
10220321060
11103402523
1261950744
13368508bb
1421391d08
15145204aa
hexd21d524

220321060 has 24 divisors (see below), whose sum is σ = 463216320. Its totient is φ = 88025184.

The previous prime is 220321039. The next prime is 220321063. The reversal of 220321060 is 60123022.

It is not an unprimeable number, because it can be changed into a prime (220321063) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12387 + ... + 24373.

It is an arithmetic number, because the mean of its divisors is an integer number (19300680).

Almost surely, 2220321060 is an apocalyptic number.

220321060 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220321060 is an abundant number, since it is smaller than the sum of its proper divisors (242895260).

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

220321060 is a wasteful number, since it uses less digits than its factorization.

220321060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12915 (or 12913 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 220321060 is about 14843.2159588143. The cubic root of 220321060 is about 603.9745943439.

Adding to 220321060 its reverse (60123022), we get a palindrome (280444082).

The spelling of 220321060 in words is "two hundred twenty million, three hundred twenty-one thousand, sixty".

Divisors: 1 2 4 5 10 20 919 1838 3676 4595 9190 11987 18380 23974 47948 59935 119870 239740 11016053 22032106 44064212 55080265 110160530 220321060