Base | Representation |
---|---|
bin | 100111111100111… |
… | …1110111110110101 |
3 | 10110102120112210221 |
4 | 1033321332332311 |
5 | 10221143201440 |
6 | 341005414341 |
7 | 45135625345 |
oct | 11771767665 |
9 | 3412515727 |
10 | 1340600245 |
11 | 628808896 |
12 | 314b6a3b1 |
13 | 184981aaa |
14 | ca08cd25 |
15 | 7ca5ed4a |
hex | 4fe7efb5 |
1340600245 has 8 divisors (see below), whose sum is σ = 1609138080. Its totient is φ = 1072201680.
The previous prime is 1340600213. The next prime is 1340600249. The reversal of 1340600245 is 5420060431.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 1340600245 - 25 = 1340600213 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1340600249) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12315 + ... + 53224.
It is an arithmetic number, because the mean of its divisors is an integer number (201142260).
Almost surely, 21340600245 is an apocalyptic number.
It is an amenable number.
1340600245 is a deficient number, since it is larger than the sum of its proper divisors (268537835).
1340600245 is an equidigital number, since it uses as much as digits as its factorization.
1340600245 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 69635.
The product of its (nonzero) digits is 2880, while the sum is 25.
The square root of 1340600245 is about 36614.2082394253. The cubic root of 1340600245 is about 1102.6383623910.
Adding to 1340600245 its reverse (5420060431), we get a palindrome (6760660676).
The spelling of 1340600245 in words is "one billion, three hundred forty million, six hundred thousand, two hundred forty-five".
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