Search a number
-
+
150649 is a prime number
BaseRepresentation
bin100100110001111001
321122122121
4210301321
514310044
63121241
71165132
oct446171
9248577
10150649
11a3204
1273221
1353755
143cc89
152e984
hex24c79

150649 has 2 divisors, whose sum is σ = 150650. Its totient is φ = 150648.

The previous prime is 150617. The next prime is 150659. The reversal of 150649 is 946051.

150649 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 133225 + 17424 = 365^2 + 132^2 .

It is a cyclic number.

It is not a de Polignac number, because 150649 - 25 = 150617 is a prime.

It is an Ulam number.

It is a nialpdrome in base 12.

It is not a weakly prime, because it can be changed into another prime (150659) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75324 + 75325.

It is an arithmetic number, because the mean of its divisors is an integer number (75325).

2150649 is an apocalyptic number.

It is an amenable number.

150649 is a deficient number, since it is larger than the sum of its proper divisors (1).

150649 is an equidigital number, since it uses as much as digits as its factorization.

150649 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 150649 is about 388.1352856930. The cubic root of 150649 is about 53.2094476974.

The spelling of 150649 in words is "one hundred fifty thousand, six hundred forty-nine".