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223472479 is a prime number
BaseRepresentation
bin11010101000111…
…10101101011111
3120120111120121111
431110132231133
5424202104404
634101442451
75352325156
oct1524365537
9516446544
10223472479
111051651aa
1262a10427
13373b5149
142197259d
1514944104
hexd51eb5f

223472479 has 2 divisors, whose sum is σ = 223472480. Its totient is φ = 223472478.

The previous prime is 223472477. The next prime is 223472569. The reversal of 223472479 is 974274322.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 223472479 - 21 = 223472477 is a prime.

Together with 223472477, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (223472477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111736239 + 111736240.

It is an arithmetic number, because the mean of its divisors is an integer number (111736240).

Almost surely, 2223472479 is an apocalyptic number.

223472479 is a deficient number, since it is larger than the sum of its proper divisors (1).

223472479 is an equidigital number, since it uses as much as digits as its factorization.

223472479 is an evil number, because the sum of its binary digits is even.

The product of its digits is 169344, while the sum is 40.

The square root of 223472479 is about 14948.9959194589. The cubic root of 223472479 is about 606.8406742666.

The spelling of 223472479 in words is "two hundred twenty-three million, four hundred seventy-two thousand, four hundred seventy-nine".