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485720687 is a prime number
BaseRepresentation
bin11100111100111…
…000001001101111
31020211222011112002
4130330320021233
51443321030222
6120110402515
715015362204
oct3474701157
91224864462
10485720687
1122a1a4161
1211680043b
13798257ba
1448719cab
152c997392
hex1cf3826f

485720687 has 2 divisors, whose sum is σ = 485720688. Its totient is φ = 485720686.

The previous prime is 485720671. The next prime is 485720707. The reversal of 485720687 is 786027584.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 485720687 - 24 = 485720671 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (485720987) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 242860343 + 242860344.

It is an arithmetic number, because the mean of its divisors is an integer number (242860344).

Almost surely, 2485720687 is an apocalyptic number.

485720687 is a deficient number, since it is larger than the sum of its proper divisors (1).

485720687 is an equidigital number, since it uses as much as digits as its factorization.

485720687 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 752640, while the sum is 47.

The square root of 485720687 is about 22039.0718270983. The cubic root of 485720687 is about 786.0717706457.

The spelling of 485720687 in words is "four hundred eighty-five million, seven hundred twenty thousand, six hundred eighty-seven".