Base | Representation |
---|---|
bin | 10010010001000… |
… | …00010000100111 |
3 | 101200022121010112 |
4 | 21020200100213 |
5 | 303211133411 |
6 | 23112043235 |
7 | 3540245606 |
oct | 1110402047 |
9 | 350277115 |
10 | 153224231 |
11 | 795446a6 |
12 | 4339351b |
13 | 2598a634 |
14 | 164c7a3d |
15 | d6b9b8b |
hex | 9220427 |
153224231 has 2 divisors, whose sum is σ = 153224232. Its totient is φ = 153224230.
The previous prime is 153224221. The next prime is 153224237. The reversal of 153224231 is 132422351.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 153224231 - 26 = 153224167 is a prime.
It is a super-2 number, since 2×1532242312 = 46955329931082722, which contains 22 as substring.
It is a Sophie Germain prime.
It is a Chen prime.
It is a junction number, because it is equal to n+sod(n) for n = 153224197 and 153224206.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (153224237) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76612115 + 76612116.
It is an arithmetic number, because the mean of its divisors is an integer number (76612116).
Almost surely, 2153224231 is an apocalyptic number.
153224231 is a deficient number, since it is larger than the sum of its proper divisors (1).
153224231 is an equidigital number, since it uses as much as digits as its factorization.
153224231 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 1440, while the sum is 23.
The square root of 153224231 is about 12378.3775592765. The cubic root of 153224231 is about 535.1092809634.
Adding to 153224231 its reverse (132422351), we get a palindrome (285646582).
The spelling of 153224231 in words is "one hundred fifty-three million, two hundred twenty-four thousand, two hundred thirty-one".
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