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1342440201 = 3447480067
BaseRepresentation
bin101000000000100…
…0000001100001001
310110120001000202110
41100001000030021
510222131041301
6341113052533
745160360554
oct12001001411
93416030673
101342440201
11629855213
123156b7149
1318517741b
14ca40b69b
157ccc50d6
hex50040309

1342440201 has 4 divisors (see below), whose sum is σ = 1789920272. Its totient is φ = 894960132.

The previous prime is 1342440199. The next prime is 1342440221. The reversal of 1342440201 is 1020442431.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1342440201 - 21 = 1342440199 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1342440221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 223740031 + ... + 223740036.

It is an arithmetic number, because the mean of its divisors is an integer number (447480068).

Almost surely, 21342440201 is an apocalyptic number.

It is an amenable number.

1342440201 is a deficient number, since it is larger than the sum of its proper divisors (447480071).

1342440201 is an equidigital number, since it uses as much as digits as its factorization.

1342440201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 447480070.

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

The square root of 1342440201 is about 36639.3258808074. The cubic root of 1342440201 is about 1103.1425839429.

Adding to 1342440201 its reverse (1020442431), we get a palindrome (2362882632).

The spelling of 1342440201 in words is "one billion, three hundred forty-two million, four hundred forty thousand, two hundred one".

Divisors: 1 3 447480067 1342440201