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488585231 is a prime number
BaseRepresentation
bin11101000111110…
…011100000001111
31021001100200221022
4131013303200033
52000034211411
6120252024355
715051622511
oct3507634017
91231320838
10488585231
11230880352
121177620bb
137a2b95b4
1448c63bb1
152cd60edb
hex1d1f380f

488585231 has 2 divisors, whose sum is σ = 488585232. Its totient is φ = 488585230.

The previous prime is 488585191. The next prime is 488585249. The reversal of 488585231 is 132585884.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-488585231 is a prime.

It is a super-2 number, since 2×4885852312 = 477431055902646722, which contains 22 as substring.

It is a Sophie Germain prime.

It is equal to p25785548 and since 488585231 and 25785548 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (488585261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 244292615 + 244292616.

It is an arithmetic number, because the mean of its divisors is an integer number (244292616).

Almost surely, 2488585231 is an apocalyptic number.

488585231 is a deficient number, since it is larger than the sum of its proper divisors (1).

488585231 is an equidigital number, since it uses as much as digits as its factorization.

488585231 is an evil number, because the sum of its binary digits is even.

The product of its digits is 307200, while the sum is 44.

The square root of 488585231 is about 22103.9641467317. The cubic root of 488585231 is about 787.6140322314.

The spelling of 488585231 in words is "four hundred eighty-eight million, five hundred eighty-five thousand, two hundred thirty-one".