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227740226 = 2738342473
BaseRepresentation
bin11011001001100…
…00101001000010
3120212112101212012
431210300221002
5431300141401
634333132522
75433521450
oct1544605102
9525471765
10227740226
1110760a66a
126432a142
133824a83c
14223639d0
1514ed88bb
hexd930a42

227740226 has 16 divisors (see below), whose sum is σ = 391440384. Its totient is φ = 97345824.

The previous prime is 227740223. The next prime is 227740243. The reversal of 227740226 is 622047722.

It is a super-2 number, since 2×2277402262 = 103731221077062152, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 227740192 and 227740201.

It is not an unprimeable number, because it can be changed into a prime (227740223) 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 7 ways as a sum of consecutive naturals, for example, 15875 + ... + 26598.

It is an arithmetic number, because the mean of its divisors is an integer number (24465024).

Almost surely, 2227740226 is an apocalyptic number.

227740226 is a deficient number, since it is larger than the sum of its proper divisors (163700158).

227740226 is a wasteful number, since it uses less digits than its factorization.

227740226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42865.

The product of its (nonzero) digits is 18816, while the sum is 32.

The square root of 227740226 is about 15091.0644422453. The cubic root of 227740226 is about 610.6793702956.

Adding to 227740226 its reverse (622047722), we get a palindrome (849787948).

The spelling of 227740226 in words is "two hundred twenty-seven million, seven hundred forty thousand, two hundred twenty-six".

Divisors: 1 2 7 14 383 766 2681 5362 42473 84946 297311 594622 16267159 32534318 113870113 227740226