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1344220301 = 4132785861
BaseRepresentation
bin101000000011111…
…0010110010001101
310110200101110121002
41100013302302031
510223110022201
6341215150045
745211453424
oct12007626215
93420343532
101344220301
1162a860676
12316215325
1318564b738
14ca7522bb
157d02776b
hex501f2c8d

1344220301 has 4 divisors (see below), whose sum is σ = 1377006204. Its totient is φ = 1311434400.

The previous prime is 1344220279. The next prime is 1344220327. The reversal of 1344220301 is 1030224431.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1030224431 = 4021256211.

It can be written as a sum of positive squares in 2 ways, for example, as 681157801 + 663062500 = 26099^2 + 25750^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1344220301 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 (1344220331) 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, 16392890 + ... + 16392971.

It is an arithmetic number, because the mean of its divisors is an integer number (344251551).

Almost surely, 21344220301 is an apocalyptic number.

It is an amenable number.

1344220301 is a deficient number, since it is larger than the sum of its proper divisors (32785903).

1344220301 is an equidigital number, since it uses as much as digits as its factorization.

1344220301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32785902.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 1344220301 is about 36663.6100377472. The cubic root of 1344220301 is about 1103.6299642577.

Adding to 1344220301 its reverse (1030224431), we get a palindrome (2374444732).

The spelling of 1344220301 in words is "one billion, three hundred forty-four million, two hundred twenty thousand, three hundred one".

Divisors: 1 41 32785861 1344220301