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507987663 = 3414129981
BaseRepresentation
bin11110010001110…
…100011011001111
31022101212110001220
4132101310123033
52020021101123
6122223534423
715405552411
oct3621643317
91271773056
10507987663
11240822717
1212215a413
1381320a21
144b6749b1
152e8e4ce3
hex1e4746cf

507987663 has 8 divisors (see below), whose sum is σ = 693836976. Its totient is φ = 330398400.

The previous prime is 507987653. The next prime is 507987671. The reversal of 507987663 is 366789705.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 507987663 - 25 = 507987631 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (507987653) 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 in 7 ways as a sum of consecutive naturals, for example, 2064868 + ... + 2065113.

It is an arithmetic number, because the mean of its divisors is an integer number (86729622).

Almost surely, 2507987663 is an apocalyptic number.

507987663 is a deficient number, since it is larger than the sum of its proper divisors (185849313).

507987663 is a wasteful number, since it uses less digits than its factorization.

507987663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4130025.

The product of its (nonzero) digits is 1905120, while the sum is 51.

The square root of 507987663 is about 22538.5816545762. The cubic root of 507987663 is about 797.9047583898.

The spelling of 507987663 in words is "five hundred seven million, nine hundred eighty-seven thousand, six hundred sixty-three".

Divisors: 1 3 41 123 4129981 12389943 169329221 507987663