Base | Representation |
---|---|
bin | 100100011111011… |
… | …0111110011000111 |
3 | 10011100000001022211 |
4 | 1020332313303013 |
5 | 10001424103111 |
6 | 321300004251 |
7 | 42225401632 |
oct | 11076676307 |
9 | 3140001284 |
10 | 1224441031 |
11 | 57918a740 |
12 | 2a2090687 |
13 | 1668a1128 |
14 | b8892c19 |
15 | 72767521 |
hex | 48fb7cc7 |
1224441031 has 32 divisors (see below), whose sum is σ = 1440930816. Its totient is φ = 1028160000.
The previous prime is 1224440989. The next prime is 1224441047. The reversal of 1224441031 is 1301444221.
It is a happy number.
It is a de Polignac number, because none of the positive numbers 2k-1224441031 is a prime.
It is a super-2 number, since 2×12244410312 = 2998511676792685922, which contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 1224440993 and 1224441011.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1224441091) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2908201 + ... + 2908621.
It is an arithmetic number, because the mean of its divisors is an integer number (45029088).
Almost surely, 21224441031 is an apocalyptic number.
1224441031 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
1224441031 is a deficient number, since it is larger than the sum of its proper divisors (216489785).
1224441031 is a wasteful number, since it uses less digits than its factorization.
1224441031 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 703.
The product of its (nonzero) digits is 768, while the sum is 22.
The square root of 1224441031 is about 34992.0138174413. The cubic root of 1224441031 is about 1069.8247102726.
Adding to 1224441031 its reverse (1301444221), we get a palindrome (2525885252).
The spelling of 1224441031 in words is "one billion, two hundred twenty-four million, four hundred forty-one thousand, thirty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.072 sec. • engine limits •