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1344223555 = 5268844711
BaseRepresentation
bin101000000011111…
…0011100101000011
310110200101122001121
41100013303211003
510223110123210
6341215213111
745211466053
oct12007634503
93420348047
101344223555
1162a863064
12316217197
1318565006c
14ca753563
157d0286da
hex501f3943

1344223555 has 4 divisors (see below), whose sum is σ = 1613068272. Its totient is φ = 1075378840.

The previous prime is 1344223549. The next prime is 1344223561. The reversal of 1344223555 is 5553224431.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5553224431 = 36779150989.

It is an interprime number because it is at equal distance from previous prime (1344223549) and next prime (1344223561).

It is not a de Polignac number, because 1344223555 - 27 = 1344223427 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1344223555.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 134422351 + ... + 134422360.

It is an arithmetic number, because the mean of its divisors is an integer number (403267068).

Almost surely, 21344223555 is an apocalyptic number.

1344223555 is a deficient number, since it is larger than the sum of its proper divisors (268844717).

1344223555 is an equidigital number, since it uses as much as digits as its factorization.

1344223555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268844716.

The product of its digits is 72000, while the sum is 34.

The square root of 1344223555 is about 36663.6544141470. The cubic root of 1344223555 is about 1103.6308547886.

Adding to 1344223555 its reverse (5553224431), we get a palindrome (6897447986).

The spelling of 1344223555 in words is "one billion, three hundred forty-four million, two hundred twenty-three thousand, five hundred fifty-five".

Divisors: 1 5 268844711 1344223555