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150930391 is a prime number
BaseRepresentation
bin10001111111100…
…00001111010111
3101112000001120111
420333300033113
5302114233031
622550543451
73511613203
oct1077601727
9345001514
10150930391
1178218267
1242667b87
1325366531
141608bb03
15d3b51b1
hex8ff03d7

150930391 has 2 divisors, whose sum is σ = 150930392. Its totient is φ = 150930390.

The previous prime is 150930361. The next prime is 150930397. The reversal of 150930391 is 193039051.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 150930391 - 25 = 150930359 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (150930397) 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, 75465195 + 75465196.

It is an arithmetic number, because the mean of its divisors is an integer number (75465196).

Almost surely, 2150930391 is an apocalyptic number.

150930391 is a deficient number, since it is larger than the sum of its proper divisors (1).

150930391 is an equidigital number, since it uses as much as digits as its factorization.

150930391 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3645, while the sum is 31.

The square root of 150930391 is about 12285.3730509090. The cubic root of 150930391 is about 532.4255632982.

It can be divided in two parts, 150930 and 391, that added together give a square (151321 = 3892).

The spelling of 150930391 in words is "one hundred fifty million, nine hundred thirty thousand, three hundred ninety-one".