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158047 is a prime number
BaseRepresentation
bin100110100101011111
322000210121
4212211133
520024142
63215411
71225531
oct464537
9260717
10158047
11a881a
1277567
1356c26
1441851
1531c67
hex2695f

158047 has 2 divisors, whose sum is σ = 158048. Its totient is φ = 158046.

The previous prime is 158029. The next prime is 158071. The reversal of 158047 is 740851.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-158047 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (158017) 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 as a sum of consecutive naturals, namely, 79023 + 79024.

It is an arithmetic number, because the mean of its divisors is an integer number (79024).

2158047 is an apocalyptic number.

158047 is the 213-rd centered heptagonal number.

158047 is a deficient number, since it is larger than the sum of its proper divisors (1).

158047 is an equidigital number, since it uses as much as digits as its factorization.

158047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1120, while the sum is 25.

The square root of 158047 is about 397.5512545572. The cubic root of 158047 is about 54.0665617250.

Adding to 158047 its reverse (740851), we get a palindrome (898898).

The spelling of 158047 in words is "one hundred fifty-eight thousand, forty-seven".