Base | Representation |
---|---|
bin | 101011001100101… |
… | …1101000010111101 |
3 | 10202000111220020012 |
4 | 1112121131002331 |
5 | 10432033410044 |
6 | 355500033005 |
7 | 50630441600 |
oct | 12631350275 |
9 | 3660456205 |
10 | 1449513149 |
11 | 684237757 |
12 | 345532765 |
13 | 1a13c63b6 |
14 | da720337 |
15 | 873c559e |
hex | 5665d0bd |
1449513149 has 6 divisors (see below), whose sum is σ = 1686168414. Its totient is φ = 1242439800.
The previous prime is 1449513133. The next prime is 1449513151. The reversal of 1449513149 is 9413159441.
It can be written as a sum of positive squares in only one way, i.e., 745672249 + 703840900 = 27307^2 + 26530^2 .
It is not a de Polignac number, because 1449513149 - 24 = 1449513133 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1449513179) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 14790902 + ... + 14790999.
It is an arithmetic number, because the mean of its divisors is an integer number (281028069).
Almost surely, 21449513149 is an apocalyptic number.
It is an amenable number.
1449513149 is a deficient number, since it is larger than the sum of its proper divisors (236655265).
1449513149 is an equidigital number, since it uses as much as digits as its factorization.
1449513149 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 29581915 (or 29581908 counting only the distinct ones).
The product of its digits is 77760, while the sum is 41.
The square root of 1449513149 is about 38072.4723258157. The cubic root of 1449513149 is about 1131.7245052570.
The spelling of 1449513149 in words is "one billion, four hundred forty-nine million, five hundred thirteen thousand, one hundred forty-nine".
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