Base | Representation |
---|---|
bin | 100100011111000… |
… | …0111111100100111 |
3 | 10011022122002110120 |
4 | 1020332013330213 |
5 | 10001401320111 |
6 | 321251453023 |
7 | 42223624332 |
oct | 11076077447 |
9 | 3138562416 |
10 | 1224245031 |
11 | 579066459 |
12 | 2a1bb7173 |
13 | 166832b59 |
14 | b8841619 |
15 | 72729406 |
hex | 48f87f27 |
1224245031 has 8 divisors (see below), whose sum is σ = 1718238720. Its totient is φ = 773207352.
The previous prime is 1224245027. The next prime is 1224245041. The reversal of 1224245031 is 1305424221.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 1224245031 - 22 = 1224245027 is a prime.
It is a super-2 number, since 2×12242450312 = 2997551791856381922, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 1224244992 and 1224245010.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1224245041) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10738935 + ... + 10739048.
It is an arithmetic number, because the mean of its divisors is an integer number (214779840).
Almost surely, 21224245031 is an apocalyptic number.
1224245031 is a deficient number, since it is larger than the sum of its proper divisors (493993689).
1224245031 is a wasteful number, since it uses less digits than its factorization.
1224245031 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 21478005.
The product of its (nonzero) digits is 1920, while the sum is 24.
The square root of 1224245031 is about 34989.2130663152. The cubic root of 1224245031 is about 1069.7676238614.
Adding to 1224245031 its reverse (1305424221), we get a palindrome (2529669252).
The spelling of 1224245031 in words is "one billion, two hundred twenty-four million, two hundred forty-five thousand, thirty-one".
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