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1330540244 = 221130239551
BaseRepresentation
bin100111101001110…
…0110111011010100
310102201122110002022
41033103212323110
510211104241434
6340010032312
744654256035
oct11723467324
93381573068
101330540244
11623067640
12311718698
1318286bb27
14c89d0a8c
157bc2422e
hex4f4e6ed4

1330540244 has 12 divisors (see below), whose sum is σ = 2540122368. Its totient is φ = 604791000.

The previous prime is 1330540223. The next prime is 1330540261. The reversal of 1330540244 is 4420450331.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15119732 + ... + 15119819.

It is an arithmetic number, because the mean of its divisors is an integer number (211676864).

Almost surely, 21330540244 is an apocalyptic number.

It is an amenable number.

1330540244 is a deficient number, since it is larger than the sum of its proper divisors (1209582124).

1330540244 is a wasteful number, since it uses less digits than its factorization.

1330540244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30239566 (or 30239564 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 26.

The square root of 1330540244 is about 36476.5711656126. The cubic root of 1330540244 is about 1099.8733308687.

Adding to 1330540244 its reverse (4420450331), we get a palindrome (5750990575).

The spelling of 1330540244 in words is "one billion, three hundred thirty million, five hundred forty thousand, two hundred forty-four".

Divisors: 1 2 4 11 22 44 30239551 60479102 120958204 332635061 665270122 1330540244