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490741487 is a prime number
BaseRepresentation
bin11101010000000…
…001111011101111
31021012102020202122
4131100001323233
52001112211422
6120410143155
715106143125
oct3520017357
91235366678
10490741487
11232013385
12118421abb
137a892ba2
1449265915
152d139d42
hex1d401eef

490741487 has 2 divisors, whose sum is σ = 490741488. Its totient is φ = 490741486.

The previous prime is 490741477. The next prime is 490741507. The reversal of 490741487 is 784147094.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 490741487 - 210 = 490740463 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (490741417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 245370743 + 245370744.

It is an arithmetic number, because the mean of its divisors is an integer number (245370744).

Almost surely, 2490741487 is an apocalyptic number.

490741487 is a deficient number, since it is larger than the sum of its proper divisors (1).

490741487 is an equidigital number, since it uses as much as digits as its factorization.

490741487 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 225792, while the sum is 44.

The square root of 490741487 is about 22152.6857739643. The cubic root of 490741487 is about 788.7709816827.

The spelling of 490741487 in words is "four hundred ninety million, seven hundred forty-one thousand, four hundred eighty-seven".