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506675881 is a prime number
BaseRepresentation
bin11110001100110…
…100001010101001
31022022101210122101
4132030310022221
52014202112011
6122135453401
715361450105
oct3614641251
91268353571
10506675881
112400070a8
12121827261
1380c8191a
144b412905
152e7362c1
hex1e3342a9

506675881 has 2 divisors, whose sum is σ = 506675882. Its totient is φ = 506675880.

The previous prime is 506675863. The next prime is 506675899. The reversal of 506675881 is 188576605.

It is a balanced prime because it is at equal distance from previous prime (506675863) and next prime (506675899).

It can be written as a sum of positive squares in only one way, i.e., 340033600 + 166642281 = 18440^2 + 12909^2 .

It is a cyclic number.

It is not a de Polignac number, because 506675881 - 211 = 506673833 is a prime.

It is a super-2 number, since 2×5066758812 = 513440896774252322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (506675861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 253337940 + 253337941.

It is an arithmetic number, because the mean of its divisors is an integer number (253337941).

Almost surely, 2506675881 is an apocalyptic number.

It is an amenable number.

506675881 is a deficient number, since it is larger than the sum of its proper divisors (1).

506675881 is an equidigital number, since it uses as much as digits as its factorization.

506675881 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 403200, while the sum is 46.

The square root of 506675881 is about 22509.4620326653. The cubic root of 506675881 is about 797.2173536755.

The spelling of 506675881 in words is "five hundred six million, six hundred seventy-five thousand, eight hundred eighty-one".