Search a number
-
+
226506220 = 22519596069
BaseRepresentation
bin11011000000000…
…11010111101100
3120210012201010021
431200003113230
5430441144340
634250451524
75420161663
oct1540032754
9523181107
10226506220
11106947526
1263a33ba4
1337c07c65
1422121dda
1514d42e4a
hexd8035ec

226506220 has 24 divisors (see below), whose sum is σ = 500698800. Its totient is φ = 85833792.

The previous prime is 226506209. The next prime is 226506221. The reversal of 226506220 is 22605622.

It is not an unprimeable number, because it can be changed into a prime (226506221) 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, 297655 + ... + 298414.

It is an arithmetic number, because the mean of its divisors is an integer number (20862450).

Almost surely, 2226506220 is an apocalyptic number.

226506220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

226506220 is an abundant number, since it is smaller than the sum of its proper divisors (274192580).

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

226506220 is a wasteful number, since it uses less digits than its factorization.

226506220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 596097 (or 596095 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 226506220 is about 15050.1235875324. The cubic root of 226506220 is about 609.5743873328.

The spelling of 226506220 in words is "two hundred twenty-six million, five hundred six thousand, two hundred twenty".

Divisors: 1 2 4 5 10 19 20 38 76 95 190 380 596069 1192138 2384276 2980345 5960690 11325311 11921380 22650622 45301244 56626555 113253110 226506220