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20676267 = 3217672017
BaseRepresentation
bin100111011011…
…1111010101011
31102220110111200
41032313322223
520243120032
62015055243
7340513443
oct116677253
942813450
1020676267
1110742427
126b11523
13438c1a1
142a63123
151c3647c
hex13b7eab

20676267 has 24 divisors (see below), whose sum is σ = 32110416. Its totient is φ = 12773376.

The previous prime is 20676247. The next prime is 20676277. The reversal of 20676267 is 76267602.

20676267 is a `hidden beast` number, since 20 + 6 + 7 + 626 + 7 = 666.

It is not a de Polignac number, because 20676267 - 220 = 19627691 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20676247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9243 + ... + 11259.

It is an arithmetic number, because the mean of its divisors is an integer number (1337934).

Almost surely, 220676267 is an apocalyptic number.

20676267 is a deficient number, since it is larger than the sum of its proper divisors (11434149).

20676267 is a wasteful number, since it uses less digits than its factorization.

20676267 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2107 (or 2104 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 36.

The square root of 20676267 is about 4547.1163389559. The cubic root of 20676267 is about 274.4673635141.

The spelling of 20676267 in words is "twenty million, six hundred seventy-six thousand, two hundred sixty-seven".

Divisors: 1 3 9 17 51 67 153 201 603 1139 2017 3417 6051 10251 18153 34289 102867 135139 308601 405417 1216251 2297363 6892089 20676267