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1340432341 = 23101957193
BaseRepresentation
bin100111111100101…
…0101111111010101
310110102021000111021
41033321111333111
510221122313331
6341002041141
745134326003
oct11771257725
93412230437
101340432341
11628703726
12314aa91b1
13184923541
14ca047a73
157ca2a211
hex4fe55fd5

1340432341 has 8 divisors (see below), whose sum is σ = 1400109120. Its totient is φ = 1280872032.

The previous prime is 1340432333. The next prime is 1340432369. The reversal of 1340432341 is 1432340431.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1340432341 - 23 = 1340432333 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1340432141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5160 + ... + 52033.

It is an arithmetic number, because the mean of its divisors is an integer number (175013640).

Almost surely, 21340432341 is an apocalyptic number.

It is an amenable number.

1340432341 is a deficient number, since it is larger than the sum of its proper divisors (59676779).

1340432341 is a wasteful number, since it uses less digits than its factorization.

1340432341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58235.

The product of its (nonzero) digits is 3456, while the sum is 25.

The square root of 1340432341 is about 36611.9152872395. The cubic root of 1340432341 is about 1102.5923270119.

Adding to 1340432341 its reverse (1432340431), we get a palindrome (2772772772).

The spelling of 1340432341 in words is "one billion, three hundred forty million, four hundred thirty-two thousand, three hundred forty-one".

Divisors: 1 23 1019 23437 57193 1315439 58279667 1340432341