Base | Representation |
---|---|
bin | 11010100111010… |
… | …00011110101001 |
3 | 120120002021220022 |
4 | 31103220132221 |
5 | 424123002340 |
6 | 34053010225 |
7 | 5350411433 |
oct | 1523503651 |
9 | 516067808 |
10 | 223250345 |
11 | 10502331a |
12 | 62923975 |
13 | 37337cc6 |
14 | 21915653 |
15 | 148ed3b5 |
hex | d4e87a9 |
223250345 has 4 divisors (see below), whose sum is σ = 267900420. Its totient is φ = 178600272.
The previous prime is 223250303. The next prime is 223250387. The reversal of 223250345 is 543052322.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 543052322 = 2 ⋅271526161.
It is an interprime number because it is at equal distance from previous prime (223250303) and next prime (223250387).
It can be written as a sum of positive squares in 2 ways, for example, as 108910096 + 114340249 = 10436^2 + 10693^2 .
It is a cyclic number.
It is not a de Polignac number, because 223250345 - 212 = 223246249 is a prime.
It is a super-3 number, since 3×2232503453 (a number of 26 digits) contains 333 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22325030 + ... + 22325039.
It is an arithmetic number, because the mean of its divisors is an integer number (66975105).
Almost surely, 2223250345 is an apocalyptic number.
It is an amenable number.
223250345 is a deficient number, since it is larger than the sum of its proper divisors (44650075).
223250345 is an equidigital number, since it uses as much as digits as its factorization.
223250345 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 44650074.
The product of its (nonzero) digits is 7200, while the sum is 26.
The square root of 223250345 is about 14941.5643424643. The cubic root of 223250345 is about 606.6395389324.
The spelling of 223250345 in words is "two hundred twenty-three million, two hundred fifty thousand, three hundred forty-five".
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