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150286985 = 530057397
BaseRepresentation
bin10001111010100…
…11001010001001
3101110210100222122
420331103022021
5301433140420
622525101025
73503263322
oct1075231211
9343710878
10150286985
1177918922
12423b7775
132519c714
1415d61449
15d2d9725
hex8f53289

150286985 has 4 divisors (see below), whose sum is σ = 180344388. Its totient is φ = 120229584.

The previous prime is 150286967. The next prime is 150287023. The reversal of 150286985 is 589682051.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 75568249 + 74718736 = 8693^2 + 8644^2 .

It is a cyclic number.

It is not a de Polignac number, because 150286985 - 26 = 150286921 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15028694 + ... + 15028703.

It is an arithmetic number, because the mean of its divisors is an integer number (45086097).

Almost surely, 2150286985 is an apocalyptic number.

It is an amenable number.

150286985 is a deficient number, since it is larger than the sum of its proper divisors (30057403).

150286985 is an equidigital number, since it uses as much as digits as its factorization.

150286985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30057402.

The product of its (nonzero) digits is 172800, while the sum is 44.

The square root of 150286985 is about 12259.1592289194. The cubic root of 150286985 is about 531.6679210190.

The spelling of 150286985 in words is "one hundred fifty million, two hundred eighty-six thousand, nine hundred eighty-five".

Divisors: 1 5 30057397 150286985