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488675221 is a prime number
BaseRepresentation
bin11101001000001…
…001011110010101
31021001112021101021
4131020021132111
52000100101341
6120254001141
715052446046
oct3510113625
91231467337
10488675221
11230931a21
121177a61b1
137a31b548
1448c888cd
152cd7c9d1
hex1d209795

488675221 has 2 divisors, whose sum is σ = 488675222. Its totient is φ = 488675220.

The previous prime is 488675207. The next prime is 488675249. The reversal of 488675221 is 122576884.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 372876100 + 115799121 = 19310^2 + 10761^2 .

It is a cyclic number.

It is not a de Polignac number, because 488675221 - 25 = 488675189 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (488675261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 244337610 + 244337611.

It is an arithmetic number, because the mean of its divisors is an integer number (244337611).

Almost surely, 2488675221 is an apocalyptic number.

It is an amenable number.

488675221 is a deficient number, since it is larger than the sum of its proper divisors (1).

488675221 is an equidigital number, since it uses as much as digits as its factorization.

488675221 is an evil number, because the sum of its binary digits is even.

The product of its digits is 215040, while the sum is 43.

The square root of 488675221 is about 22105.9996607256. Note that the first 3 decimals coincide. The cubic root of 488675221 is about 787.6623847884.

The spelling of 488675221 in words is "four hundred eighty-eight million, six hundred seventy-five thousand, two hundred twenty-one".