Base | Representation |
---|---|
bin | 10001110000111… |
… | …00001011111001 |
3 | 101101101122201221 |
4 | 20320130023321 |
5 | 301121410431 |
6 | 22441512041 |
7 | 3456406636 |
oct | 1070341371 |
9 | 341348657 |
10 | 149013241 |
11 | 77128943 |
12 | 41aa2621 |
13 | 24b44a20 |
14 | 15b0d18d |
15 | d137111 |
hex | 8e1c2f9 |
149013241 has 4 divisors (see below), whose sum is σ = 160475812. Its totient is φ = 137550672.
The previous prime is 149013233. The next prime is 149013259. The reversal of 149013241 is 142310941.
It is a happy number.
149013241 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 142310941 = 5861 ⋅24281.
It can be written as a sum of positive squares in 2 ways, for example, as 19713600 + 129299641 = 4440^2 + 11371^2 .
It is a cyclic number.
It is not a de Polignac number, because 149013241 - 23 = 149013233 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (149013341) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5731266 + ... + 5731291.
It is an arithmetic number, because the mean of its divisors is an integer number (40118953).
Almost surely, 2149013241 is an apocalyptic number.
It is an amenable number.
149013241 is a deficient number, since it is larger than the sum of its proper divisors (11462571).
149013241 is a wasteful number, since it uses less digits than its factorization.
149013241 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11462570.
The product of its (nonzero) digits is 864, while the sum is 25.
The square root of 149013241 is about 12207.0979761776. The cubic root of 149013241 is about 530.1616227150.
The spelling of 149013241 in words is "one hundred forty-nine million, thirteen thousand, two hundred forty-one".
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