Base | Representation |
---|---|
bin | 100100011110101… |
… | …0011110000001010 |
3 | 10011022020020012110 |
4 | 1020331103300022 |
5 | 10001322444432 |
6 | 321243123150 |
7 | 42222044130 |
oct | 11075236012 |
9 | 3138206173 |
10 | 1224031242 |
11 | 578a2a875 |
12 | 2a1b134b6 |
13 | 166789755 |
14 | b87c7750 |
15 | 726d5dcc |
hex | 48f53c0a |
1224031242 has 32 divisors (see below), whose sum is σ = 2798917632. Its totient is φ = 349581744.
The previous prime is 1224031219. The next prime is 1224031279. The reversal of 1224031242 is 2421304221.
1224031242 is nontrivially palindromic in base 11.
It is a Harshad number since it is a multiple of its sum of digits (21).
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 144003 + ... + 152265.
It is an arithmetic number, because the mean of its divisors is an integer number (87466176).
Almost surely, 21224031242 is an apocalyptic number.
1224031242 is an abundant number, since it is smaller than the sum of its proper divisors (1574886390).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1224031242 is a wasteful number, since it uses less digits than its factorization.
1224031242 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11802.
The product of its (nonzero) digits is 768, while the sum is 21.
The square root of 1224031242 is about 34986.1578627891. The cubic root of 1224031242 is about 1069.7053493279.
Adding to 1224031242 its reverse (2421304221), we get a palindrome (3645335463).
The spelling of 1224031242 in words is "one billion, two hundred twenty-four million, thirty-one thousand, two hundred forty-two".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.061 sec. • engine limits •