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227105420 = 22513198609
BaseRepresentation
bin11011000100101…
…01101010001100
3120211100011001212
431202111222030
5431114333140
634311353552
75425235633
oct1542255214
9524304055
10227105420
11107216733
12640828b8
1338087909
142223a51a
1514e10765
hexd895a8c

227105420 has 24 divisors (see below), whose sum is σ = 477338400. Its totient is φ = 90762752.

The previous prime is 227105393. The next prime is 227105429. The reversal of 227105420 is 24501722.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (227105429) 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, 22076 + ... + 30684.

It is an arithmetic number, because the mean of its divisors is an integer number (19889100).

Almost surely, 2227105420 is an apocalyptic number.

227105420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

227105420 is an abundant number, since it is smaller than the sum of its proper divisors (250232980).

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

227105420 is a wasteful number, since it uses less digits than its factorization.

227105420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9937 (or 9935 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 23.

The square root of 227105420 is about 15070.0172528103. The cubic root of 227105420 is about 610.1114371345. Note that the first 3 decimals are identical.

The spelling of 227105420 in words is "two hundred twenty-seven million, one hundred five thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 1319 2638 5276 6595 8609 13190 17218 26380 34436 43045 86090 172180 11355271 22710542 45421084 56776355 113552710 227105420