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226481491 = 10116313757
BaseRepresentation
bin11010111111111…
…01010101010011
3120210011110012101
431133331111103
5430434401431
634250141231
75420026615
oct1537752523
9523143171
10226481491
1110692a995
1263a21817
1337bc9922
1422116db5
1514d3a961
hexd7fd553

226481491 has 8 divisors (see below), whose sum is σ = 230143824. Its totient is φ = 222847200.

The previous prime is 226481459. The next prime is 226481527. The reversal of 226481491 is 194184622.

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 226481491 - 25 = 226481459 is a prime.

It is a super-3 number, since 3×2264814913 (a number of 26 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 226481491.

It is not an unprimeable number, because it can be changed into a prime (226481401) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 9585 + ... + 23341.

It is an arithmetic number, because the mean of its divisors is an integer number (28767978).

Almost surely, 2226481491 is an apocalyptic number.

226481491 is a deficient number, since it is larger than the sum of its proper divisors (3662333).

226481491 is a wasteful number, since it uses less digits than its factorization.

226481491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14021.

The product of its digits is 27648, while the sum is 37.

The square root of 226481491 is about 15049.3020103924. The cubic root of 226481491 is about 609.5522029330.

The spelling of 226481491 in words is "two hundred twenty-six million, four hundred eighty-one thousand, four hundred ninety-one".

Divisors: 1 101 163 13757 16463 1389457 2242391 226481491