Base | Representation |
---|---|
bin | 1110110011111… |
… | …00000101011111 |
3 | 22122210001112202 |
4 | 13121330011133 |
5 | 223301141343 |
6 | 20154522115 |
7 | 3036011252 |
oct | 731740537 |
9 | 278701482 |
10 | 124240223 |
11 | 64148578 |
12 | 3573633b |
13 | 1c97cc33 |
14 | 12701099 |
15 | ad91db8 |
hex | 767c15f |
124240223 has 16 divisors (see below), whose sum is σ = 129686400. Its totient is φ = 118949376.
The previous prime is 124240211. The next prime is 124240229. The reversal of 124240223 is 322042421.
It is a cyclic number.
It is not a de Polignac number, because 124240223 - 26 = 124240159 is a prime.
It is a super-2 number, since 2×1242402232 = 30871266022179458, 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 = 124240195 and 124240204.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (124240229) 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 15 ways as a sum of consecutive naturals, for example, 791261 + ... + 791417.
It is an arithmetic number, because the mean of its divisors is an integer number (8105400).
Almost surely, 2124240223 is an apocalyptic number.
124240223 is a deficient number, since it is larger than the sum of its proper divisors (5446177).
124240223 is a wasteful number, since it uses less digits than its factorization.
124240223 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 466.
The product of its (nonzero) digits is 768, while the sum is 20.
The square root of 124240223 is about 11146.3098377894. The cubic root of 124240223 is about 498.9849045571.
Adding to 124240223 its reverse (322042421), we get a palindrome (446282644).
The spelling of 124240223 in words is "one hundred twenty-four million, two hundred forty thousand, two hundred twenty-three".
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