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226131655 = 5535931439
BaseRepresentation
bin11010111101001…
…11111011000111
3120202111200022111
431132213323013
5430342203110
634234441451
75414041651
oct1536477307
9522450274
10226131655
11106711072
1263893287
1337b06619
14220656d1
1514cbbe8a
hexd7a7ec7

226131655 has 16 divisors (see below), whose sum is σ = 277136640. Its totient is φ = 177069568.

The previous prime is 226131649. The next prime is 226131677. The reversal of 226131655 is 556131622.

It is a cyclic number.

It is not a de Polignac number, because 226131655 - 213 = 226123463 is a prime.

It is a super-2 number, since 2×2261316552 = 102271050786078050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 156426 + ... + 157864.

It is an arithmetic number, because the mean of its divisors is an integer number (17321040).

Almost surely, 2226131655 is an apocalyptic number.

226131655 is a deficient number, since it is larger than the sum of its proper divisors (51004985).

226131655 is a wasteful number, since it uses less digits than its factorization.

226131655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2090.

The product of its digits is 10800, while the sum is 31.

The square root of 226131655 is about 15037.6745210155. The cubic root of 226131655 is about 609.2381917031.

The spelling of 226131655 in words is "two hundred twenty-six million, one hundred thirty-one thousand, six hundred fifty-five".

Divisors: 1 5 53 265 593 1439 2965 7195 31429 76267 157145 381335 853327 4266635 45226331 226131655