Search a number
-
+
149579093 is a prime number
BaseRepresentation
bin10001110101001…
…10010101010101
3101102110101221102
420322212111111
5301243012333
622501555445
73464254436
oct1072462525
9342411842
10149579093
1177484a94
1242115b85
1324cb2451
1415c1948d
15d1e9ae8
hex8ea6555

149579093 has 2 divisors, whose sum is σ = 149579094. Its totient is φ = 149579092.

The previous prime is 149579063. The next prime is 149579099. The reversal of 149579093 is 390975941.

149579093 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., 144552529 + 5026564 = 12023^2 + 2242^2 .

It is a cyclic number.

It is not a de Polignac number, because 149579093 - 214 = 149562709 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (149579099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74789546 + 74789547.

It is an arithmetic number, because the mean of its divisors is an integer number (74789547).

Almost surely, 2149579093 is an apocalyptic number.

It is an amenable number.

149579093 is a deficient number, since it is larger than the sum of its proper divisors (1).

149579093 is an equidigital number, since it uses as much as digits as its factorization.

149579093 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 306180, while the sum is 47.

The square root of 149579093 is about 12230.2531862591. The cubic root of 149579093 is about 530.8318407613.

The spelling of 149579093 in words is "one hundred forty-nine million, five hundred seventy-nine thousand, ninety-three".