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223000087 is a prime number
BaseRepresentation
bin11010100101010…
…11011000010111
3120112121120121111
431102223120113
5424042000322
634043355451
75345320012
oct1522533027
9515546544
10223000087
111049722a2
1262822b87
133727b11b
142188c379
151489e177
hexd4ab617

223000087 has 2 divisors, whose sum is σ = 223000088. Its totient is φ = 223000086.

The previous prime is 223000069. The next prime is 223000103. The reversal of 223000087 is 780000322.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-223000087 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (223006087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111500043 + 111500044.

It is an arithmetic number, because the mean of its divisors is an integer number (111500044).

Almost surely, 2223000087 is an apocalyptic number.

223000087 is a deficient number, since it is larger than the sum of its proper divisors (1).

223000087 is an equidigital number, since it uses as much as digits as its factorization.

223000087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 223000087 is about 14933.1874360433. The cubic root of 223000087 is about 606.4127783115.

The spelling of 223000087 in words is "two hundred twenty-three million, eighty-seven", and thus it is an aban number.