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1384430013 = 32532902369
BaseRepresentation
bin101001010000100…
…1011100110111101
310120111001022221200
41102201023212331
510313403230023
6345213050113
746210314051
oct12241134675
93514038850
101384430013
1165052483a
12327786939
13190a89875
14d1c1bc61
158181b743
hex5284b9bd

1384430013 has 12 divisors (see below), whose sum is σ = 2037463740. Its totient is φ = 905538816.

The previous prime is 1384430011. The next prime is 1384430017. The reversal of 1384430013 is 3100344831.

It can be written as a sum of positive squares in 2 ways, for example, as 731269764 + 653160249 = 27042^2 + 25557^2 .

It is not a de Polignac number, because 1384430013 - 21 = 1384430011 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1384430011) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1450708 + ... + 1451661.

It is an arithmetic number, because the mean of its divisors is an integer number (169788645).

Almost surely, 21384430013 is an apocalyptic number.

It is an amenable number.

1384430013 is a deficient number, since it is larger than the sum of its proper divisors (653033727).

1384430013 is a wasteful number, since it uses less digits than its factorization.

1384430013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2902428 (or 2902425 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 1384430013 is about 37207.9294371509. The cubic root of 1384430013 is about 1114.5263361098.

Adding to 1384430013 its reverse (3100344831), we get a palindrome (4484774844).

The spelling of 1384430013 in words is "one billion, three hundred eighty-four million, four hundred thirty thousand, thirteen".

Divisors: 1 3 9 53 159 477 2902369 8707107 26121321 153825557 461476671 1384430013