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204069538 = 2196780153
BaseRepresentation
bin11000010100111…
…01101010100010
3112012222210210001
430022131222202
5404220211123
632125530214
75025363631
oct1412355242
9465883701
10204069538
11a5212512
125841396a
133338070a
141d161518
1512db00ad
hexc29daa2

204069538 has 16 divisors (see below), whose sum is σ = 327028320. Its totient is φ = 95220576.

The previous prime is 204069533. The next prime is 204069563. The reversal of 204069538 is 835960402.

It is a junction number, because it is equal to n+sod(n) for n = 204069497 and 204069506.

It is not an unprimeable number, because it can be changed into a prime (204069533) 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, 37531 + ... + 42622.

It is an arithmetic number, because the mean of its divisors is an integer number (20439270).

Almost surely, 2204069538 is an apocalyptic number.

204069538 is a deficient number, since it is larger than the sum of its proper divisors (122958782).

204069538 is a wasteful number, since it uses less digits than its factorization.

204069538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80241.

The product of its (nonzero) digits is 51840, while the sum is 37.

The square root of 204069538 is about 14285.2909665852. The cubic root of 204069538 is about 588.7434119797.

The spelling of 204069538 in words is "two hundred four million, sixty-nine thousand, five hundred thirty-eight".

Divisors: 1 2 19 38 67 134 1273 2546 80153 160306 1522907 3045814 5370251 10740502 102034769 204069538