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226252291 = 318398699
BaseRepresentation
bin11010111110001…
…01011000000011
3120202201210210111
431133011120003
5430410033131
634241212151
75415053446
oct1537053003
9522653714
10226252291
11106793771
1263931057
1337b494c5
142209765d
1514ce2ab1
hexd7c5603

226252291 has 8 divisors (see below), whose sum is σ = 233856000. Its totient is φ = 218667720.

The previous prime is 226252289. The next prime is 226252307. The reversal of 226252291 is 192252622.

226252291 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 226252291 - 21 = 226252289 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (226252261) 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, 21660 + ... + 30358.

It is an arithmetic number, because the mean of its divisors is an integer number (29232000).

Almost surely, 2226252291 is an apocalyptic number.

226252291 is a deficient number, since it is larger than the sum of its proper divisors (7603709).

226252291 is an equidigital number, since it uses as much as digits as its factorization.

226252291 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9569.

The product of its digits is 8640, while the sum is 31.

The square root of 226252291 is about 15041.6851117154. The cubic root of 226252291 is about 609.3465105980.

The spelling of 226252291 in words is "two hundred twenty-six million, two hundred fifty-two thousand, two hundred ninety-one".

Divisors: 1 31 839 8699 26009 269669 7298461 226252291