Search a number
-
+
149050369 = 1354121193
BaseRepresentation
bin10001110001001…
…01010000000001
3101101110112200001
420320211100001
5301124102434
622442400001
73456623116
oct1070452001
9341415601
10149050369
1177153826
1241b00001
1324b588b0
1415b1c90d
15d143114
hex8e25401

149050369 has 8 divisors (see below), whose sum is σ = 160820072. Its totient is φ = 137324160.

The previous prime is 149050361. The next prime is 149050379. The reversal of 149050369 is 963050941.

It can be written as a sum of positive squares in 4 ways, for example, as 3534400 + 145515969 = 1880^2 + 12063^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 149050369 - 23 = 149050361 is a prime.

It is a super-2 number, since 2×1490503692 = 44432024998072322, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (149050361) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3564 + ... + 17629.

It is an arithmetic number, because the mean of its divisors is an integer number (20102509).

Almost surely, 2149050369 is an apocalyptic number.

It is an amenable number.

149050369 is a deficient number, since it is larger than the sum of its proper divisors (11769703).

149050369 is a wasteful number, since it uses less digits than its factorization.

149050369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21747.

The product of its (nonzero) digits is 29160, while the sum is 37.

The square root of 149050369 is about 12208.6186360292. The cubic root of 149050369 is about 530.2056505836.

The spelling of 149050369 in words is "one hundred forty-nine million, fifty thousand, three hundred sixty-nine".

Divisors: 1 13 541 7033 21193 275509 11465413 149050369