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1340270941 = 4728516403
BaseRepresentation
bin100111111100010…
…1110100101011101
310110101221211002111
41033320232211131
510221102132231
6340554354021
745133054312
oct11770564535
93411854074
101340270941
11628603439
12314a2b911
13184897c39
14ca004d09
157c9e74b1
hex4fe2e95d

1340270941 has 4 divisors (see below), whose sum is σ = 1368787392. Its totient is φ = 1311754492.

The previous prime is 1340270929. The next prime is 1340270947. The reversal of 1340270941 is 1490720431.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1340270941 - 211 = 1340268893 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1340270947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14258155 + ... + 14258248.

It is an arithmetic number, because the mean of its divisors is an integer number (342196848).

Almost surely, 21340270941 is an apocalyptic number.

It is an amenable number.

1340270941 is a deficient number, since it is larger than the sum of its proper divisors (28516451).

1340270941 is an equidigital number, since it uses as much as digits as its factorization.

1340270941 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28516450.

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 1340270941 is about 36609.7110204383. The cubic root of 1340270941 is about 1102.5480712547.

The spelling of 1340270941 in words is "one billion, three hundred forty million, two hundred seventy thousand, nine hundred forty-one".

Divisors: 1 47 28516403 1340270941