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223480273 is a prime number
BaseRepresentation
bin11010101001000…
…00100111010001
3120120111222022011
431110200213101
5424202332043
634101542521
75352356662
oct1524404721
9516458264
10223480273
11105170045
1262a14a41
13373b8863
1421975369
151494659d
hexd5209d1

223480273 has 2 divisors, whose sum is σ = 223480274. Its totient is φ = 223480272.

The previous prime is 223480207. The next prime is 223480303. The reversal of 223480273 is 372084322.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 220463104 + 3017169 = 14848^2 + 1737^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-223480273 is a prime.

It is not a weakly prime, because it can be changed into another prime (223480373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111740136 + 111740137.

It is an arithmetic number, because the mean of its divisors is an integer number (111740137).

Almost surely, 2223480273 is an apocalyptic number.

It is an amenable number.

223480273 is a deficient number, since it is larger than the sum of its proper divisors (1).

223480273 is an equidigital number, since it uses as much as digits as its factorization.

223480273 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16128, while the sum is 31.

The square root of 223480273 is about 14949.2566035907. The cubic root of 223480273 is about 606.8477290670.

The spelling of 223480273 in words is "two hundred twenty-three million, four hundred eighty thousand, two hundred seventy-three".