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13042842 = 2317711801
BaseRepresentation
bin110001110000…
…010010011010
3220112122102020
4301300102122
511314332332
61143315310
7215601531
oct61602232
926478366
1013042842
1173a930a
12444bb36
132918877
141a37318
15122982c
hexc7049a

13042842 has 32 divisors (see below), whose sum is σ = 28024704. Its totient is φ = 4032000.

The previous prime is 13042819. The next prime is 13042853. The reversal of 13042842 is 24824031.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6342 + ... + 8142.

It is an arithmetic number, because the mean of its divisors is an integer number (875772).

Almost surely, 213042842 is an apocalyptic number.

13042842 is an abundant number, since it is smaller than the sum of its proper divisors (14981862).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13042842 is a wasteful number, since it uses less digits than its factorization.

13042842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1894.

The product of its (nonzero) digits is 1536, while the sum is 24.

The square root of 13042842 is about 3611.4875051701. The cubic root of 13042842 is about 235.3914826777.

Adding to 13042842 its reverse (24824031), we get a palindrome (37866873).

The spelling of 13042842 in words is "thirteen million, forty-two thousand, eight hundred forty-two".

Divisors: 1 2 3 6 17 34 51 71 102 142 213 426 1207 1801 2414 3602 3621 5403 7242 10806 30617 61234 91851 127871 183702 255742 383613 767226 2173807 4347614 6521421 13042842