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150430205 = 530086041
BaseRepresentation
bin10001111011101…
…10000111111101
3101111001122110002
420331312013331
5302002231310
622532124045
73504431012
oct1075660775
9344048402
10150430205
1177a06492
1242466625
132521c973
1415d9b709
15d316da5
hex8f761fd

150430205 has 4 divisors (see below), whose sum is σ = 180516252. Its totient is φ = 120344160.

The previous prime is 150430199. The next prime is 150430243. The reversal of 150430205 is 502034051.

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 21335161 + 129095044 = 4619^2 + 11362^2 .

It is a de Polignac number, because none of the positive numbers 2k-150430205 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15043016 + ... + 15043025.

It is an arithmetic number, because the mean of its divisors is an integer number (45129063).

Almost surely, 2150430205 is an apocalyptic number.

It is an amenable number.

150430205 is a deficient number, since it is larger than the sum of its proper divisors (30086047).

150430205 is an equidigital number, since it uses as much as digits as its factorization.

150430205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30086046.

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 150430205 is about 12264.9991846718. Note that the first 3 decimals coincide. The cubic root of 150430205 is about 531.8367564511.

Adding to 150430205 its sum of digits (20), we get a square (150430225 = 122652).

Adding to 150430205 its reverse (502034051), we get a palindrome (652464256).

The spelling of 150430205 in words is "one hundred fifty million, four hundred thirty thousand, two hundred five".

Divisors: 1 5 30086041 150430205