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1201440341 = 1254195801
BaseRepresentation
bin100011110011100…
…1000011001010101
310002201201111022102
41013213020121111
54430032042331
6315115011445
741526034343
oct10747103125
93081644272
101201440341
115671aaa02
12296439b85
13161ba9c5a
14b57c6993
15707224cb
hex479c8655

1201440341 has 4 divisors (see below), whose sum is σ = 1201548684. Its totient is φ = 1201332000.

The previous prime is 1201440301. The next prime is 1201440353. The reversal of 1201440341 is 1430441021.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 974064100 + 227376241 = 31210^2 + 15079^2 .

It is a cyclic number.

It is not a de Polignac number, because 1201440341 - 214 = 1201423957 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201440301) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35360 + ... + 60441.

It is an arithmetic number, because the mean of its divisors is an integer number (300387171).

Almost surely, 21201440341 is an apocalyptic number.

It is an amenable number.

1201440341 is a deficient number, since it is larger than the sum of its proper divisors (108343).

1201440341 is an equidigital number, since it uses as much as digits as its factorization.

1201440341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108342.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 1201440341 is about 34661.7994483841. The cubic root of 1201440341 is about 1063.0835632751.

Adding to 1201440341 its reverse (1430441021), we get a palindrome (2631881362).

The spelling of 1201440341 in words is "one billion, two hundred one million, four hundred forty thousand, three hundred forty-one".

Divisors: 1 12541 95801 1201440341