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520000223 is a prime number
BaseRepresentation
bin11110111111101…
…001001011011111
31100020110202012112
4132333221023133
52031110001343
6123333224235
715612633431
oct3677511337
91306422175
10520000223
11247587956
1212619207b
1383968652
144d0c0651
15309b9218
hex1efe92df

520000223 has 2 divisors, whose sum is σ = 520000224. Its totient is φ = 520000222.

The previous prime is 520000193. The next prime is 520000277. The reversal of 520000223 is 322000025.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 520000223 - 220 = 518951647 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 520000198 and 520000207.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (520000423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 260000111 + 260000112.

It is an arithmetic number, because the mean of its divisors is an integer number (260000112).

Almost surely, 2520000223 is an apocalyptic number.

520000223 is a deficient number, since it is larger than the sum of its proper divisors (1).

520000223 is an equidigital number, since it uses as much as digits as its factorization.

520000223 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 120, while the sum is 14.

The square root of 520000223 is about 22803.5133915807. The cubic root of 520000223 is about 804.1452666693.

Adding to 520000223 its reverse (322000025), we get a palindrome (842000248).

It can be divided in two parts, 52000022 and 3, that added together give a palindrome (52000025).

The spelling of 520000223 in words is "five hundred twenty million, two hundred twenty-three", and thus it is an aban number.