Base | Representation |
---|---|
bin | 11110010100011… |
… | …10110001111111 |
3 | 122201120211012021 |
4 | 33022032301333 |
5 | 1010102341343 |
6 | 41123221011 |
7 | 6205566454 |
oct | 1712166177 |
9 | 581524167 |
10 | 254340223 |
11 | 120628635 |
12 | 71217767 |
13 | 40902097 |
14 | 25ac982b |
15 | 174e00ed |
hex | f28ec7f |
254340223 has 4 divisors (see below), whose sum is σ = 254690800. Its totient is φ = 253989648.
The previous prime is 254340221. The next prime is 254340239. The reversal of 254340223 is 322043452.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 254340223 - 21 = 254340221 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (254340221) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 174198 + ... + 175651.
It is an arithmetic number, because the mean of its divisors is an integer number (63672700).
Almost surely, 2254340223 is an apocalyptic number.
254340223 is a deficient number, since it is larger than the sum of its proper divisors (350577).
254340223 is an equidigital number, since it uses as much as digits as its factorization.
254340223 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 350576.
The product of its (nonzero) digits is 5760, while the sum is 25.
The square root of 254340223 is about 15948.0476234554. The cubic root of 254340223 is about 633.5851882599.
Adding to 254340223 its reverse (322043452), we get a palindrome (576383675).
The spelling of 254340223 in words is "two hundred fifty-four million, three hundred forty thousand, two hundred twenty-three".
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