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226668 = 223131453
BaseRepresentation
bin110111010101101100
3102111221010
4313111230
524223133
64505220
71632561
oct672554
9374833
10226668
11145332
12ab210
137c230
145c868
1547263
hex3756c

226668 has 24 divisors (see below), whose sum is σ = 569968. Its totient is φ = 69696.

The previous prime is 226663. The next prime is 226669. The reversal of 226668 is 866622.

It is a plaindrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (226663) 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, 571 + ... + 882.

2226668 is an apocalyptic number.

It is an amenable number.

226668 is an abundant number, since it is smaller than the sum of its proper divisors (343300).

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

226668 is a wasteful number, since it uses less digits than its factorization.

226668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1473 (or 1471 counting only the distinct ones).

The product of its digits is 6912, while the sum is 30.

The square root of 226668 is about 476.0966288475. The cubic root of 226668 is about 60.9719480442.

The spelling of 226668 in words is "two hundred twenty-six thousand, six hundred sixty-eight".

Divisors: 1 2 3 4 6 12 13 26 39 52 78 156 1453 2906 4359 5812 8718 17436 18889 37778 56667 75556 113334 226668