Base | Representation |
---|---|
bin | 111011111110… |
… | …0000101011001 |
3 | 2012011101021102 |
4 | 1313330011121 |
5 | 31022104431 |
6 | 3041521145 |
7 | 531150266 |
oct | 167740531 |
9 | 65141242 |
10 | 31441241 |
11 | 168252a7 |
12 | a6431b5 |
13 | 668acb0 |
14 | 426626d |
15 | 2b60dcb |
hex | 1dfc159 |
31441241 has 4 divisors (see below), whose sum is σ = 33859812. Its totient is φ = 29022672.
The previous prime is 31441237. The next prime is 31441247. The reversal of 31441241 is 14214413.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 6150400 + 25290841 = 2480^2 + 5029^2 .
It is a cyclic number.
It is not a de Polignac number, because 31441241 - 22 = 31441237 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (31441247) 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, 1209266 + ... + 1209291.
It is an arithmetic number, because the mean of its divisors is an integer number (8464953).
Almost surely, 231441241 is an apocalyptic number.
It is an amenable number.
31441241 is a deficient number, since it is larger than the sum of its proper divisors (2418571).
31441241 is a wasteful number, since it uses less digits than its factorization.
31441241 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2418570.
The product of its digits is 384, while the sum is 20.
The square root of 31441241 is about 5607.2489689687. The cubic root of 31441241 is about 315.6214857106.
Adding to 31441241 its reverse (14214413), we get a palindrome (45655654).
The spelling of 31441241 in words is "thirty-one million, four hundred forty-one thousand, two hundred forty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.067 sec. • engine limits •