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206335051 = 13371492879
BaseRepresentation
bin11000100110001…
…10110001001011
3112101020220110221
430103012301023
5410310210201
632250250511
75053550626
oct1423066113
9471226427
10206335051
11a651a63a
1259126a37
1333994960
141d590dbd
15131ab4a1
hexc4c6c4b

206335051 has 16 divisors (see below), whose sum is σ = 229824000. Its totient is φ = 184007808.

The previous prime is 206335049. The next prime is 206335057. The reversal of 206335051 is 150533602.

It is a happy number.

It is not a de Polignac number, because 206335051 - 21 = 206335049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (206335057) 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 15 ways as a sum of consecutive naturals, for example, 70230 + ... + 73108.

It is an arithmetic number, because the mean of its divisors is an integer number (14364000).

Almost surely, 2206335051 is an apocalyptic number.

206335051 is a deficient number, since it is larger than the sum of its proper divisors (23488949).

206335051 is a wasteful number, since it uses less digits than its factorization.

206335051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3078.

The product of its (nonzero) digits is 2700, while the sum is 25.

The square root of 206335051 is about 14364.3674068857. The cubic root of 206335051 is about 590.9140776922.

Adding to 206335051 its reverse (150533602), we get a palindrome (356868653).

The spelling of 206335051 in words is "two hundred six million, three hundred thirty-five thousand, fifty-one".

Divisors: 1 13 37 149 481 1937 2879 5513 37427 71669 106523 428971 1384799 5576623 15871927 206335051