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475117913 is a prime number
BaseRepresentation
bin11100010100011…
…011100101011001
31020010000111020202
4130110123211121
51433112233123
6115051231545
714526302264
oct3424334531
91203014222
10475117913
11224212136
121131485b5
137758277a
1447159cdb
152baa0a28
hex1c51b959

475117913 has 2 divisors, whose sum is σ = 475117914. Its totient is φ = 475117912.

The previous prime is 475117889. The next prime is 475117919. The reversal of 475117913 is 319711574.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 473149504 + 1968409 = 21752^2 + 1403^2 .

It is a cyclic number.

It is not a de Polignac number, because 475117913 - 26 = 475117849 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (475117919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 237558956 + 237558957.

It is an arithmetic number, because the mean of its divisors is an integer number (237558957).

Almost surely, 2475117913 is an apocalyptic number.

It is an amenable number.

475117913 is a deficient number, since it is larger than the sum of its proper divisors (1).

475117913 is an equidigital number, since it uses as much as digits as its factorization.

475117913 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 26460, while the sum is 38.

The square root of 475117913 is about 21797.1996595893. The cubic root of 475117913 is about 780.3099321689.

The spelling of 475117913 in words is "four hundred seventy-five million, one hundred seventeen thousand, nine hundred thirteen".