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1340600245 = 5409165539
BaseRepresentation
bin100111111100111…
…1110111110110101
310110102120112210221
41033321332332311
510221143201440
6341005414341
745135625345
oct11771767665
93412515727
101340600245
11628808896
12314b6a3b1
13184981aaa
14ca08cd25
157ca5ed4a
hex4fe7efb5

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".

Divisors: 1 5 4091 20455 65539 327695 268120049 1340600245