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1340014323 = 3446671441
BaseRepresentation
bin100111111011110…
…1111111011110011
310110101110210002010
41033313233323303
510221020424243
6340545054003
745130635204
oct11767577363
93411423063
101340014323
1162844865a
12314927303
131848081ab
14c9d795ab
157c996433
hex4fdefef3

1340014323 has 4 divisors (see below), whose sum is σ = 1786685768. Its totient is φ = 893342880.

The previous prime is 1340014303. The next prime is 1340014331. The reversal of 1340014323 is 3234100431.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3234100431 = 31078033477.

It is not a de Polignac number, because 1340014323 - 210 = 1340013299 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1340014323.

It is not an unprimeable number, because it can be changed into a prime (1340014303) 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, 223335718 + ... + 223335723.

It is an arithmetic number, because the mean of its divisors is an integer number (446671442).

Almost surely, 21340014323 is an apocalyptic number.

1340014323 is a deficient number, since it is larger than the sum of its proper divisors (446671445).

1340014323 is an equidigital number, since it uses as much as digits as its factorization.

1340014323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 446671444.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 1340014323 is about 36606.2060721949. The cubic root of 1340014323 is about 1102.4776994785.

Adding to 1340014323 its reverse (3234100431), we get a palindrome (4574114754).

The spelling of 1340014323 in words is "one billion, three hundred forty million, fourteen thousand, three hundred twenty-three".

Divisors: 1 3 446671441 1340014323