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350485987 = 1684320809
BaseRepresentation
bin10100111000111…
…111110111100011
3220102111112101111
4110320333313203
51204211022422
654440044151
711454040015
oct2470776743
9812445344
10350485987
1116a927345
1299463657
13577c6477
14347961b5
1520b82a77
hex14e3fde3

350485987 has 4 divisors (see below), whose sum is σ = 350523640. Its totient is φ = 350448336.

The previous prime is 350485963. The next prime is 350486011. The reversal of 350485987 is 789584053.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 789584053 = 2264334871.

It is an interprime number because it is at equal distance from previous prime (350485963) and next prime (350486011).

It is a cyclic number.

It is not a de Polignac number, because 350485987 - 215 = 350453219 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 350485987.

It is not an unprimeable number, because it can be changed into a prime (350480987) 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 in 3 ways as a sum of consecutive naturals, for example, 6439 + ... + 27247.

It is an arithmetic number, because the mean of its divisors is an integer number (87630910).

Almost surely, 2350485987 is an apocalyptic number.

350485987 is a deficient number, since it is larger than the sum of its proper divisors (37653).

350485987 is a wasteful number, since it uses less digits than its factorization.

350485987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37652.

The product of its (nonzero) digits is 1209600, while the sum is 49.

The square root of 350485987 is about 18721.2709771532. The cubic root of 350485987 is about 705.0559028823.

The spelling of 350485987 in words is "three hundred fifty million, four hundred eighty-five thousand, nine hundred eighty-seven".

Divisors: 1 16843 20809 350485987