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150000349 = 569263621
BaseRepresentation
bin10001111000011…
…01001011011101
3101110020210210111
420330031023131
5301400002344
622515010021
73500660542
oct1074151335
9343223714
10150000349
1177742534
1242299911
13250cc105
1415cc8bc9
15d27e834
hex8f0d2dd

150000349 has 4 divisors (see below), whose sum is σ = 150264540. Its totient is φ = 149736160.

The previous prime is 150000343. The next prime is 150000353. The reversal of 150000349 is 943000051.

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 91584900 + 58415449 = 9570^2 + 7643^2 .

It is a cyclic number.

It is not a de Polignac number, because 150000349 - 25 = 150000317 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (150000343) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 131242 + ... + 132379.

It is an arithmetic number, because the mean of its divisors is an integer number (37566135).

Almost surely, 2150000349 is an apocalyptic number.

It is an amenable number.

150000349 is a deficient number, since it is larger than the sum of its proper divisors (264191).

150000349 is an equidigital number, since it uses as much as digits as its factorization.

150000349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264190.

The product of its (nonzero) digits is 540, while the sum is 22.

The square root of 150000349 is about 12247.4629617729. The cubic root of 150000349 is about 531.3296966664.

The spelling of 150000349 in words is "one hundred fifty million, three hundred forty-nine", and thus it is an aban number.

Divisors: 1 569 263621 150000349