Base | Representation |
---|---|
bin | 100101000000100… |
… | …1001000111001000 |
3 | 10012112200122210200 |
4 | 1022001021013020 |
5 | 10020401012243 |
6 | 323120212200 |
7 | 42526145241 |
oct | 11201110710 |
9 | 3175618720 |
10 | 1241813448 |
11 | 587a75907 |
12 | 2a7a6a060 |
13 | 16a374575 |
14 | bacd5cc8 |
15 | 74049ad3 |
hex | 4a0491c8 |
1241813448 has 36 divisors (see below), whose sum is σ = 3364054785. Its totient is φ = 413838144.
The previous prime is 1241813389. The next prime is 1241813449. The reversal of 1241813448 is 8443181421.
It is a happy number.
It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.
It can be written as a sum of positive squares in 2 ways, for example, as 756140004 + 485673444 = 27498^2 + 22038^2 .
It is a tau number, because it is divible by the number of its divisors (36).
It is an ABA number since it can be written as A⋅BA, here for A=2, B=24918.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a nude number because it is divisible by every one of its digits.
It is not an unprimeable number, because it can be changed into a prime (1241813449) by changing a digit.
It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 296940 + ... + 301092.
Almost surely, 21241813448 is an apocalyptic number.
1241813448 is a gapful number since it is divisible by the number (18) formed by its first and last digit.
It is an amenable number.
1241813448 is an abundant number, since it is smaller than the sum of its proper divisors (2122241337).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1241813448 is an frugal number, since it uses more digits than its factorization.
1241813448 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8318 (or 4158 counting only the distinct ones).
The product of its digits is 24576, while the sum is 36.
The square root of 1241813448 is about 35239.3735472128. The cubic root of 1241813448 is about 1074.8605401924.
Adding to 1241813448 its reverse (8443181421), we get a palindrome (9684994869).
The spelling of 1241813448 in words is "one billion, two hundred forty-one million, eight hundred thirteen thousand, four hundred forty-eight".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.073 sec. • engine limits •