Base | Representation |
---|---|
bin | 10001110000010… |
… | …11101110001011 |
3 | 101101021020020020 |
4 | 20320023232023 |
5 | 301112231203 |
6 | 22440231523 |
7 | 3456006216 |
oct | 1070135613 |
9 | 341236206 |
10 | 148945803 |
11 | 77092206 |
12 | 41a6b5a3 |
13 | 24b20116 |
14 | 15ad277d |
15 | d122153 |
hex | 8e0bb8b |
148945803 has 4 divisors (see below), whose sum is σ = 198594408. Its totient is φ = 99297200.
The previous prime is 148945801. The next prime is 148945829. The reversal of 148945803 is 308549841.
148945803 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: 308549841 = 3 ⋅102849947.
It is a cyclic number.
It is not a de Polignac number, because 148945803 - 21 = 148945801 is a prime.
It is not an unprimeable number, because it can be changed into a prime (148945801) 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, 24824298 + ... + 24824303.
It is an arithmetic number, because the mean of its divisors is an integer number (49648602).
Almost surely, 2148945803 is an apocalyptic number.
148945803 is a deficient number, since it is larger than the sum of its proper divisors (49648605).
148945803 is an equidigital number, since it uses as much as digits as its factorization.
148945803 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 49648604.
The product of its (nonzero) digits is 138240, while the sum is 42.
The square root of 148945803 is about 12204.3354182028. The cubic root of 148945803 is about 530.0816333259.
The spelling of 148945803 in words is "one hundred forty-eight million, nine hundred forty-five thousand, eight hundred three".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.081 sec. • engine limits •