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507985147 is a prime number
BaseRepresentation
bin11110010001110…
…011110011111011
31022101212022121201
4132101303303323
52020021011042
6122223515031
715405542155
oct3621636373
91271768551
10507985147
1124082083a
12122158a77
138131c837
144b673ad5
152e8e41b7
hex1e473cfb

507985147 has 2 divisors, whose sum is σ = 507985148. Its totient is φ = 507985146.

The previous prime is 507985133. The next prime is 507985157. The reversal of 507985147 is 741589705.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-507985147 is a prime.

It is a super-2 number, since 2×5079851472 = 516097819145223218, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 507985097 and 507985106.

It is not a weakly prime, because it can be changed into another prime (507985157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 253992573 + 253992574.

It is an arithmetic number, because the mean of its divisors is an integer number (253992574).

Almost surely, 2507985147 is an apocalyptic number.

507985147 is a deficient number, since it is larger than the sum of its proper divisors (1).

507985147 is an equidigital number, since it uses as much as digits as its factorization.

507985147 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 352800, while the sum is 46.

The square root of 507985147 is about 22538.5258391049. The cubic root of 507985147 is about 797.9034410798.

It can be divided in two parts, 50798 and 5147, that added together give a triangular number (55945 = T334).

The spelling of 507985147 in words is "five hundred seven million, nine hundred eighty-five thousand, one hundred forty-seven".