Base | Representation |
---|---|
bin | 11010110010011… |
… | …00100011011111 |
3 | 120122211101120022 |
4 | 31121030203133 |
5 | 430011140311 |
6 | 34144142355 |
7 | 5365664534 |
oct | 1531144337 |
9 | 518741508 |
10 | 224708831 |
11 | 10592a086 |
12 | 633079bb |
13 | 37728b09 |
14 | 21bb4d8b |
15 | 14ada5db |
hex | d64c8df |
224708831 has 2 divisors, whose sum is σ = 224708832. Its totient is φ = 224708830.
The previous prime is 224708773. The next prime is 224708843. The reversal of 224708831 is 138807422.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 224708831 - 26 = 224708767 is a prime.
It is a super-2 number, since 2×2247088312 = 100988117458773122, which contains 22 as substring.
It is a Sophie Germain prime.
It is a Chen prime.
It is equal to p12367736 and since 224708831 and 12367736 have the same sum of digits, it is a Honaker prime.
It is a junction number, because it is equal to n+sod(n) for n = 224708791 and 224708800.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (224708851) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112354415 + 112354416.
It is an arithmetic number, because the mean of its divisors is an integer number (112354416).
Almost surely, 2224708831 is an apocalyptic number.
224708831 is a deficient number, since it is larger than the sum of its proper divisors (1).
224708831 is an equidigital number, since it uses as much as digits as its factorization.
224708831 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 21504, while the sum is 35.
The square root of 224708831 is about 14990.2912246560. The cubic root of 224708831 is about 607.9577235364.
The spelling of 224708831 in words is "two hundred twenty-four million, seven hundred eight thousand, eight hundred thirty-one".
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