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226326881 = 1120575171
BaseRepresentation
bin11010111110101…
…11100101100001
3120202212121010002
431133113211201
5430414430011
634242545345
75415514064
oct1537274541
9522777102
10226326881
11106834810
1263968255
1337b74441
14220b68db
1514d09c3b
hexd7d7961

226326881 has 4 divisors (see below), whose sum is σ = 246902064. Its totient is φ = 205751700.

The previous prime is 226326853. The next prime is 226326887. The reversal of 226326881 is 188623622.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 226326881 - 210 = 226325857 is a prime.

It is a super-2 number, since 2×2263268812 = 102447714126376322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (226326887) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10287575 + ... + 10287596.

It is an arithmetic number, because the mean of its divisors is an integer number (61725516).

Almost surely, 2226326881 is an apocalyptic number.

It is an amenable number.

226326881 is a deficient number, since it is larger than the sum of its proper divisors (20575183).

226326881 is a wasteful number, since it uses less digits than its factorization.

226326881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20575182.

The product of its digits is 55296, while the sum is 38.

The square root of 226326881 is about 15044.1643503386. The cubic root of 226326881 is about 609.4134655920.

The spelling of 226326881 in words is "two hundred twenty-six million, three hundred twenty-six thousand, eight hundred eighty-one".

Divisors: 1 11 20575171 226326881