Base | Representation |
---|---|
bin | 1110101100101… |
… | …11100110011001 |
3 | 22121000111202121 |
4 | 13112113212121 |
5 | 223031214340 |
6 | 20122501241 |
7 | 3025032613 |
oct | 726274631 |
9 | 277014677 |
10 | 123304345 |
11 | 6366941a |
12 | 35364821 |
13 | 1c712c68 |
14 | 12539db3 |
15 | ac5994a |
hex | 7597999 |
123304345 has 8 divisors (see below), whose sum is σ = 148284864. Its totient is φ = 98430384.
The previous prime is 123304333. The next prime is 123304369. The reversal of 123304345 is 543403321.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-123304345 is a prime.
It is a super-2 number, since 2×1233043452 = 30407922991758050, which contains 22 as substring.
It is a Duffinian number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24069 + ... + 28738.
It is an arithmetic number, because the mean of its divisors is an integer number (18535608).
Almost surely, 2123304345 is an apocalyptic number.
It is an amenable number.
123304345 is a deficient number, since it is larger than the sum of its proper divisors (24980519).
123304345 is an equidigital number, since it uses as much as digits as its factorization.
123304345 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 53279.
The product of its (nonzero) digits is 4320, while the sum is 25.
The square root of 123304345 is about 11104.2489615462. The cubic root of 123304345 is about 497.7288258227.
Adding to 123304345 its reverse (543403321), we get a palindrome (666707666).
The spelling of 123304345 in words is "one hundred twenty-three million, three hundred four thousand, three hundred forty-five".
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