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150664223 = 697121613
BaseRepresentation
bin10001111101011…
…11010000011111
3101111111112110102
420332233100133
5302032223343
622541131315
73506424203
oct1076572037
9344445412
10150664223
1178056296
1242559b3b
13252a2338
141601cb03
15d3613b8
hex8faf41f

150664223 has 4 divisors (see below), whose sum is σ = 150692808. Its totient is φ = 150635640.

The previous prime is 150664159. The next prime is 150664231. The reversal of 150664223 is 322466051.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 322466051 = 2911119519.

It is a cyclic number.

It is not a de Polignac number, because 150664223 - 26 = 150664159 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 (150664253) 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 in 3 ways as a sum of consecutive naturals, for example, 3836 + ... + 17777.

It is an arithmetic number, because the mean of its divisors is an integer number (37673202).

Almost surely, 2150664223 is an apocalyptic number.

150664223 is a deficient number, since it is larger than the sum of its proper divisors (28585).

150664223 is an equidigital number, since it uses as much as digits as its factorization.

150664223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28584.

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 150664223 is about 12274.5355512948. The cubic root of 150664223 is about 532.1123989903.

The spelling of 150664223 in words is "one hundred fifty million, six hundred sixty-four thousand, two hundred twenty-three".

Divisors: 1 6971 21613 150664223