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1344000205 = 5268800041
BaseRepresentation
bin101000000011011…
…1101000011001101
310110122222021200101
41100012331003031
510223031001310
6341210331101
745206545642
oct12006750315
93418867611
101344000205
1162a720279
12316129a91
131855a24c2
14ca6d5dc9
157ced243a
hex501bd0cd

1344000205 has 4 divisors (see below), whose sum is σ = 1612800252. Its totient is φ = 1075200160.

The previous prime is 1344000181. The next prime is 1344000209. The reversal of 1344000205 is 5020004431.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 215913636 + 1128086569 = 14694^2 + 33587^2 .

It is not a de Polignac number, because 1344000205 - 229 = 807129293 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 (1344000209) 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, 134400016 + ... + 134400025.

It is an arithmetic number, because the mean of its divisors is an integer number (403200063).

Almost surely, 21344000205 is an apocalyptic number.

It is an amenable number.

1344000205 is a deficient number, since it is larger than the sum of its proper divisors (268800047).

1344000205 is an equidigital number, since it uses as much as digits as its factorization.

1344000205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268800046.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 1344000205 is about 36660.6083555633. The cubic root of 1344000205 is about 1103.5697266615.

Adding to 1344000205 its reverse (5020004431), we get a palindrome (6364004636).

The spelling of 1344000205 in words is "one billion, three hundred forty-four million, two hundred five", and thus it is an aban number.

Divisors: 1 5 268800041 1344000205