Search a number
-
+
149827 is a prime number
BaseRepresentation
bin100100100101000011
321121112011
4210211003
514243302
63113351
71162546
oct444503
9247464
10149827
11a2627
1272857
1353272
143c85d
152e5d7
hex24943

149827 has 2 divisors, whose sum is σ = 149828. Its totient is φ = 149826.

The previous prime is 149803. The next prime is 149837. The reversal of 149827 is 728941.

It is a strong prime.

It is an emirp because it is prime and its reverse (728941) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 149827 - 211 = 147779 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (149837) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74913 + 74914.

It is an arithmetic number, because the mean of its divisors is an integer number (74914).

2149827 is an apocalyptic number.

149827 is a deficient number, since it is larger than the sum of its proper divisors (1).

149827 is an equidigital number, since it uses as much as digits as its factorization.

149827 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4032, while the sum is 31.

The square root of 149827 is about 387.0749281470. The cubic root of 149827 is about 53.1124939420.

The spelling of 149827 in words is "one hundred forty-nine thousand, eight hundred twenty-seven".