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488240287 is a prime number
BaseRepresentation
bin11101000110011…
…111010010011111
31021000201011202121
4131012133102133
51444442142122
6120240403411
715045655033
oct3506372237
91230634677
10488240287
11230665177
12117616567
137a1c85a2
1448bb41c3
152cce3bc7
hex1d19f49f

488240287 has 2 divisors, whose sum is σ = 488240288. Its totient is φ = 488240286.

The previous prime is 488240261. The next prime is 488240309. The reversal of 488240287 is 782042884.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 488240287 - 211 = 488238239 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (488240227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 244120143 + 244120144.

It is an arithmetic number, because the mean of its divisors is an integer number (244120144).

Almost surely, 2488240287 is an apocalyptic number.

488240287 is a deficient number, since it is larger than the sum of its proper divisors (1).

488240287 is an equidigital number, since it uses as much as digits as its factorization.

488240287 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 229376, while the sum is 43.

The square root of 488240287 is about 22096.1600057567. The cubic root of 488240287 is about 787.4286352395.

The spelling of 488240287 in words is "four hundred eighty-eight million, two hundred forty thousand, two hundred eighty-seven".