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226650440 = 2355666261
BaseRepresentation
bin11011000001001…
…10100101001000
3120210111000221202
431200212211020
5431010303230
634253523332
75421332312
oct1540464510
9523430852
10226650440
11106a35915
1263aa3548
1337c587b3
142215c7b2
1514d70a45
hexd826948

226650440 has 16 divisors (see below), whose sum is σ = 509963580. Its totient is φ = 90660160.

The previous prime is 226650421. The next prime is 226650451. The reversal of 226650440 is 44056622.

226650440 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 226382116 + 268324 = 15046^2 + 518^2 .

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 2833091 + ... + 2833170.

Almost surely, 2226650440 is an apocalyptic number.

226650440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

226650440 is an abundant number, since it is smaller than the sum of its proper divisors (283313140).

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

226650440 is a wasteful number, since it uses less digits than its factorization.

226650440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5666272 (or 5666268 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 29.

The square root of 226650440 is about 15054.9141478788. The cubic root of 226650440 is about 609.7037350188.

The spelling of 226650440 in words is "two hundred twenty-six million, six hundred fifty thousand, four hundred forty".

Divisors: 1 2 4 5 8 10 20 40 5666261 11332522 22665044 28331305 45330088 56662610 113325220 226650440