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226323140 = 22564317599
BaseRepresentation
bin11010111110101…
…10101011000100
3120202212101222112
431133112223010
5430414320030
634242520152
75415500141
oct1537265304
9522771875
10226323140
11106831a1a
1263966058
1337b72824
14220b53c8
1514d08a95
hexd7d6ac4

226323140 has 24 divisors (see below), whose sum is σ = 476044800. Its totient is φ = 90383328.

The previous prime is 226323121. The next prime is 226323143. The reversal of 226323140 is 41323622.

It is not an unprimeable number, because it can be changed into a prime (226323143) 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, 4061 + ... + 21659.

It is an arithmetic number, because the mean of its divisors is an integer number (19835200).

Almost surely, 2226323140 is an apocalyptic number.

226323140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

226323140 is an abundant number, since it is smaller than the sum of its proper divisors (249721660).

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

226323140 is a wasteful number, since it uses less digits than its factorization.

226323140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18251 (or 18249 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 226323140 is about 15044.0400159000. The cubic root of 226323140 is about 609.4101078699.

Adding to 226323140 its reverse (41323622), we get a palindrome (267646762).

The spelling of 226323140 in words is "two hundred twenty-six million, three hundred twenty-three thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 643 1286 2572 3215 6430 12860 17599 35198 70396 87995 175990 351980 11316157 22632314 45264628 56580785 113161570 226323140