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150289 = 1371097
BaseRepresentation
bin100100101100010001
321122011021
4210230101
514302124
63115441
71164106
oct445421
9248137
10150289
11a2a07
1272b81
1353539
143caad
152e7e4
hex24b11

150289 has 4 divisors (see below), whose sum is σ = 151524. Its totient is φ = 149056.

The previous prime is 150287. The next prime is 150299. The reversal of 150289 is 982051.

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 65025 + 85264 = 255^2 + 292^2 .

It is not a de Polignac number, because 150289 - 21 = 150287 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (150287) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 412 + ... + 685.

It is an arithmetic number, because the mean of its divisors is an integer number (37881).

2150289 is an apocalyptic number.

It is an amenable number.

150289 is a deficient number, since it is larger than the sum of its proper divisors (1235).

150289 is a wasteful number, since it uses less digits than its factorization.

150289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1234.

The product of its (nonzero) digits is 720, while the sum is 25.

The square root of 150289 is about 387.6712524808. The cubic root of 150289 is about 53.1670297153.

The spelling of 150289 in words is "one hundred fifty thousand, two hundred eighty-nine".

Divisors: 1 137 1097 150289