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150000223 = 791898737
BaseRepresentation
bin10001111000011…
…01001001011111
3101110020210121211
420330031021133
5301400001343
622515005251
73500660302
oct1074151137
9343223554
10150000223
117774242a
1242299827
13250cc039
1415cc8b39
15d27e79d
hex8f0d25f

150000223 has 4 divisors (see below), whose sum is σ = 151899040. Its totient is φ = 148101408.

The previous prime is 150000199. The next prime is 150000271. The reversal of 150000223 is 322000051.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-150000223 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 (150000283) 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, 949290 + ... + 949447.

It is an arithmetic number, because the mean of its divisors is an integer number (37974760).

Almost surely, 2150000223 is an apocalyptic number.

150000223 is a deficient number, since it is larger than the sum of its proper divisors (1898817).

150000223 is an equidigital number, since it uses as much as digits as its factorization.

150000223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1898816.

The product of its (nonzero) digits is 60, while the sum is 13.

The square root of 150000223 is about 12247.4578178494. The cubic root of 150000223 is about 531.3295478944.

Adding to 150000223 its reverse (322000051), we get a palindrome (472000274).

The spelling of 150000223 in words is "one hundred fifty million, two hundred twenty-three", and thus it is an aban number.

Divisors: 1 79 1898737 150000223