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538405283 = 13177134313
BaseRepresentation
bin100000000101110…
…110100110100011
31101112002211012102
4200011312212203
52100312432113
6125231521015
716225240463
oct4005664643
91345084172
10538405283
11256a08949
1213038916b
1387710b10
1451711ba3
1532402758
hex201769a3

538405283 has 16 divisors (see below), whose sum is σ = 622593216. Its totient is φ = 461153280.

The previous prime is 538405277. The next prime is 538405297. The reversal of 538405283 is 382504835.

It is a cyclic number.

It is not a de Polignac number, because 538405283 - 210 = 538404259 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (538405883) 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, 1466 + ... + 32847.

It is an arithmetic number, because the mean of its divisors is an integer number (38912076).

Almost surely, 2538405283 is an apocalyptic number.

538405283 is a deficient number, since it is larger than the sum of its proper divisors (84187933).

538405283 is a wasteful number, since it uses less digits than its factorization.

538405283 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34414.

The product of its (nonzero) digits is 115200, while the sum is 38.

The square root of 538405283 is about 23203.5618601972. The cubic root of 538405283 is about 813.5228782945.

The spelling of 538405283 in words is "five hundred thirty-eight million, four hundred five thousand, two hundred eighty-three".

Divisors: 1 13 17 71 221 923 1207 15691 34313 446069 583321 2436223 7583173 31670899 41415791 538405283