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150013 = 672239
BaseRepresentation
bin100100100111111101
321121210001
4210213331
514300023
63114301
71163233
oct444775
9247701
10150013
11a2786
1272991
1353386
143c953
152e6ad
hex249fd

150013 has 4 divisors (see below), whose sum is σ = 152320. Its totient is φ = 147708.

The previous prime is 150011. The next prime is 150041. The reversal of 150013 is 310051.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 310051 = 744293.

It is a cyclic number.

It is not a de Polignac number, because 150013 - 21 = 150011 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 (150011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1053 + ... + 1186.

It is an arithmetic number, because the mean of its divisors is an integer number (38080).

2150013 is an apocalyptic number.

It is an amenable number.

150013 is a deficient number, since it is larger than the sum of its proper divisors (2307).

150013 is an equidigital number, since it uses as much as digits as its factorization.

150013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2306.

The product of its (nonzero) digits is 15, while the sum is 10.

The square root of 150013 is about 387.3151171850. The cubic root of 150013 is about 53.1344633661.

Adding to 150013 its reverse (310051), we get a palindrome (460064).

The spelling of 150013 in words is "one hundred fifty thousand, thirteen".

Divisors: 1 67 2239 150013