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229217055 = 35119312809
BaseRepresentation
bin11011010100110…
…01001100011111
3120222022102200120
431222121030133
5432134421210
634424530023
75452212204
oct1552311437
9528272616
10229217055
11108429191
1264920913
1338646ac2
1422629cab
15151cb270
hexda9931f

229217055 has 16 divisors (see below), whose sum is σ = 367083360. Its totient is φ = 122137088.

The previous prime is 229217041. The next prime is 229217059. The reversal of 229217055 is 550712922.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 229217055 - 29 = 229216543 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (229217059) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11491 + ... + 24299.

It is an arithmetic number, because the mean of its divisors is an integer number (22942710).

Almost surely, 2229217055 is an apocalyptic number.

229217055 is a deficient number, since it is larger than the sum of its proper divisors (137866305).

229217055 is a wasteful number, since it uses less digits than its factorization.

229217055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14010.

The product of its (nonzero) digits is 12600, while the sum is 33.

The square root of 229217055 is about 15139.9159508896. The cubic root of 229217055 is about 611.9965531225.

Adding to 229217055 its reverse (550712922), we get a palindrome (779929977).

The spelling of 229217055 in words is "two hundred twenty-nine million, two hundred seventeen thousand, fifty-five".

Divisors: 1 3 5 15 1193 3579 5965 12809 17895 38427 64045 192135 15281137 45843411 76405685 229217055