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488589961 is a prime number
BaseRepresentation
bin11101000111110…
…100101010001001
31021001100221102111
4131013310222021
52000034334321
6120252102321
715051642346
oct3507645211
91231327374
10488589961
11230883962
121177649a1
137a2bb7b2
1448c657cd
152cd625e1
hex1d1f4a89

488589961 has 2 divisors, whose sum is σ = 488589962. Its totient is φ = 488589960.

The previous prime is 488589953. The next prime is 488589991. The reversal of 488589961 is 169985884.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 318444025 + 170145936 = 17845^2 + 13044^2 .

It is a cyclic number.

It is not a de Polignac number, because 488589961 - 23 = 488589953 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 488589896 and 488589905.

It is not a weakly prime, because it can be changed into another prime (488589901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 244294980 + 244294981.

It is an arithmetic number, because the mean of its divisors is an integer number (244294981).

Almost surely, 2488589961 is an apocalyptic number.

It is an amenable number.

488589961 is a deficient number, since it is larger than the sum of its proper divisors (1).

488589961 is an equidigital number, since it uses as much as digits as its factorization.

488589961 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4976640, while the sum is 58.

The square root of 488589961 is about 22104.0711408555. The cubic root of 488589961 is about 787.6165738572.

The spelling of 488589961 in words is "four hundred eighty-eight million, five hundred eighty-nine thousand, nine hundred sixty-one".