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229666229 = 1383212851
BaseRepresentation
bin11011011000001…
…10110110110101
3121000011020211122
431230012312311
5432243304404
634442313325
75456062562
oct1554066665
9530136748
10229666229
11108705701
1264ab8845
13387733a0
1422705869
15152693be
hexdb06db5

229666229 has 8 divisors (see below), whose sum is σ = 250313952. Its totient is φ = 209444400.

The previous prime is 229666219. The next prime is 229666271. The reversal of 229666229 is 922666922.

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 229666229 - 224 = 212889013 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 229666229.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (229666219) 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, 105347 + ... + 107504.

It is an arithmetic number, because the mean of its divisors is an integer number (31289244).

Almost surely, 2229666229 is an apocalyptic number.

It is an amenable number.

229666229 is a deficient number, since it is larger than the sum of its proper divisors (20647723).

229666229 is a wasteful number, since it uses less digits than its factorization.

229666229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212947.

The product of its digits is 279936, while the sum is 44.

The square root of 229666229 is about 15154.7427889753. The cubic root of 229666229 is about 612.3960486645.

The spelling of 229666229 in words is "two hundred twenty-nine million, six hundred sixty-six thousand, two hundred twenty-nine".

Divisors: 1 13 83 1079 212851 2767063 17666633 229666229