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150043381 is a prime number
BaseRepresentation
bin10001111000101…
…11101011110101
3101110022222211021
420330113223311
5301402342011
622515541141
73501230155
oct1074275365
9343288737
10150043381
11777718a4
12422ba7b1
1325115887
1415cda765
15d28c471
hex8f17af5

150043381 has 2 divisors, whose sum is σ = 150043382. Its totient is φ = 150043380.

The previous prime is 150043367. The next prime is 150043393. The reversal of 150043381 is 183340051.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 144240100 + 5803281 = 12010^2 + 2409^2 .

It is an emirp because it is prime and its reverse (183340051) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 150043381 - 27 = 150043253 is a prime.

It is a super-2 number, since 2×1500433812 = 45026032363822322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (150043301) 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 as a sum of consecutive naturals, namely, 75021690 + 75021691.

It is an arithmetic number, because the mean of its divisors is an integer number (75021691).

Almost surely, 2150043381 is an apocalyptic number.

It is an amenable number.

150043381 is a deficient number, since it is larger than the sum of its proper divisors (1).

150043381 is an equidigital number, since it uses as much as digits as its factorization.

150043381 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 150043381 is about 12249.2196077954. The cubic root of 150043381 is about 531.3805009780.

The spelling of 150043381 in words is "one hundred fifty million, forty-three thousand, three hundred eighty-one".