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150056321 is a prime number
BaseRepresentation
bin10001111000110…
…10110110000001
3101110100122120112
420330122312001
5301403300241
622520121105
73501312662
oct1074326601
9343318515
10150056321
1177780598
1242306195
132511b72c
1415d01369
15d2911eb

150056321 has 2 divisors, whose sum is σ = 150056322. Its totient is φ = 150056320.

The previous prime is 150056311. The next prime is 150056323. The reversal of 150056321 is 123650051.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 86694721 + 63361600 = 9311^2 + 7960^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-150056321 is a prime.

Together with 150056323, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (150056323) by changing a digit.

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 as a sum of consecutive naturals, namely, 75028160 + 75028161.

It is an arithmetic number, because the mean of its divisors is an integer number (75028161).

Almost surely, 2150056321 is an apocalyptic number.

It is an amenable number.

150056321 is a deficient number, since it is larger than the sum of its proper divisors (1).

150056321 is an equidigital number, since it uses as much as digits as its factorization.

150056321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 900, while the sum is 23.

The square root of 150056321 is about 12249.7477933221. The cubic root of 150056321 is about 531.3957762626.

The spelling of 150056321 in words is "one hundred fifty million, fifty-six thousand, three hundred twenty-one".