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150402251 is a prime number
BaseRepresentation
bin10001111011011…
…11010011001011
3101111000020002202
420331233103023
5302000333001
622531350415
73504253346
oct1075572313
9344006082
10150402251
117799748a
124245240b
132521001c
1415d9145d
15d30d96b
hex8f6f4cb

150402251 has 2 divisors, whose sum is σ = 150402252. Its totient is φ = 150402250.

The previous prime is 150402223. The next prime is 150402253. The reversal of 150402251 is 152204051.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 150402251 - 222 = 146207947 is a prime.

It is a Sophie Germain prime.

Together with 150402253, 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 (150402253) 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, 75201125 + 75201126.

It is an arithmetic number, because the mean of its divisors is an integer number (75201126).

Almost surely, 2150402251 is an apocalyptic number.

150402251 is a deficient number, since it is larger than the sum of its proper divisors (1).

150402251 is an equidigital number, since it uses as much as digits as its factorization.

150402251 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 400, while the sum is 20.

The square root of 150402251 is about 12263.8595474671. The cubic root of 150402251 is about 531.8038111932.

The spelling of 150402251 in words is "one hundred fifty million, four hundred two thousand, two hundred fifty-one".