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226666668 = 223293121011
BaseRepresentation
bin11011000001010…
…10100010101100
3120210111212012210
431200222202230
5431011313133
634254130420
75421430524
oct1540524254
9523455183
10226666668
11106a47028
1263ab0a10
1337c62cb7
1422164684
1514d75763
hexd82a8ac

226666668 has 48 divisors (see below), whose sum is σ = 564802560. Its totient is φ = 70593600.

The previous prime is 226666579. The next prime is 226666669. The reversal of 226666668 is 866666622.

It is a plaindrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (226666669) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 283 + ... + 21293.

It is an arithmetic number, because the mean of its divisors is an integer number (11766720).

Almost surely, 2226666668 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 226666668, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (282401280).

226666668 is an abundant number, since it is smaller than the sum of its proper divisors (338135892).

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

226666668 is a wasteful number, since it uses less digits than its factorization.

226666668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21078 (or 21076 counting only the distinct ones).

The product of its digits is 1492992, while the sum is 48.

The square root of 226666668 is about 15055.4530984624. The cubic root of 226666668 is about 609.7182861136.

The spelling of 226666668 in words is "two hundred twenty-six million, six hundred sixty-six thousand, six hundred sixty-eight".

Divisors: 1 2 3 4 6 12 29 31 58 62 87 93 116 124 174 186 348 372 899 1798 2697 3596 5394 10788 21011 42022 63033 84044 126066 252132 609319 651341 1218638 1302682 1827957 1954023 2437276 2605364 3655914 3908046 7311828 7816092 18888889 37777778 56666667 75555556 113333334 226666668