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206226123 = 3371857893
BaseRepresentation
bin11000100101011…
…00001011001011
3112101001101001120
430102230023023
5410243213443
632244050323
75052615225
oct1422541313
9471041046
10206226123
11a6455814
12590939a3
13339571bc
141d563415
1513189083
hexc4ac2cb

206226123 has 8 divisors (see below), whose sum is σ = 282399888. Its totient is φ = 133768224.

The previous prime is 206226113. The next prime is 206226131. The reversal of 206226123 is 321622602.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 206226123 - 24 = 206226107 is a prime.

It is a super-3 number, since 3×2062261233 (a number of 26 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 206226093 and 206226102.

It is not an unprimeable number, because it can be changed into a prime (206226113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 928836 + ... + 929057.

It is an arithmetic number, because the mean of its divisors is an integer number (35299986).

Almost surely, 2206226123 is an apocalyptic number.

206226123 is a deficient number, since it is larger than the sum of its proper divisors (76173765).

206226123 is a wasteful number, since it uses less digits than its factorization.

206226123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1857933.

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 206226123 is about 14360.5753018464. The cubic root of 206226123 is about 590.8100746503.

Adding to 206226123 its reverse (321622602), we get a palindrome (527848725).

The spelling of 206226123 in words is "two hundred six million, two hundred twenty-six thousand, one hundred twenty-three".

Divisors: 1 3 37 111 1857893 5573679 68742041 206226123