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1340201442 = 231911756153
BaseRepresentation
bin100111111100001…
…1101100111100010
310110101211021202110
41033320131213202
510221042421232
6340553100150
745132344556
oct11770354742
93411737673
101340201442
116285661a8
123149b7656
13184872408
14c9dc7866
157c9d1acc
hex4fe1d9e2

1340201442 has 16 divisors (see below), whose sum is σ = 2821476960. Its totient is φ = 423221472.

The previous prime is 1340201437. The next prime is 1340201459. The reversal of 1340201442 is 2441020431.

It is a super-2 number, since 2×13402014422 = 3592279810277758728, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5877963 + ... + 5878190.

It is an arithmetic number, because the mean of its divisors is an integer number (176342310).

Almost surely, 21340201442 is an apocalyptic number.

1340201442 is an abundant number, since it is smaller than the sum of its proper divisors (1481275518).

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

1340201442 is a wasteful number, since it uses less digits than its factorization.

1340201442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11756177.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 1340201442 is about 36608.7618200889. The cubic root of 1340201442 is about 1102.5290135875.

Adding to 1340201442 its reverse (2441020431), we get a palindrome (3781221873).

The spelling of 1340201442 in words is "one billion, three hundred forty million, two hundred one thousand, four hundred forty-two".

Divisors: 1 2 3 6 19 38 57 114 11756153 23512306 35268459 70536918 223366907 446733814 670100721 1340201442