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506248231 is a prime number
BaseRepresentation
bin11110001011001…
…011110000100111
31022021121002000111
4132023023300213
52014044420411
6122122353451
715355016236
oct3613136047
91267532014
10506248231
1123a844875
1212165b887
1380b62088
144b340b1d
152e69e721
hex1e2cbc27

506248231 has 2 divisors, whose sum is σ = 506248232. Its totient is φ = 506248230.

The previous prime is 506248213. The next prime is 506248271. The reversal of 506248231 is 132842605.

Together with previous prime (506248213) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 506248231 - 29 = 506247719 is a prime.

It is a super-3 number, since 3×5062482313 (a number of 27 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 506248193 and 506248202.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (506248271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 253124115 + 253124116.

It is an arithmetic number, because the mean of its divisors is an integer number (253124116).

Almost surely, 2506248231 is an apocalyptic number.

506248231 is a deficient number, since it is larger than the sum of its proper divisors (1).

506248231 is an equidigital number, since it uses as much as digits as its factorization.

506248231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 506248231 is about 22499.9606888545. The cubic root of 506248231 is about 796.9929985683.

The spelling of 506248231 in words is "five hundred six million, two hundred forty-eight thousand, two hundred thirty-one".