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1344317285 = 5268863457
BaseRepresentation
bin101000000100000…
…1010011101100101
310110200120101122002
41100020022131211
510223121123120
6341221215045
745212336243
oct12010123545
93420511562
101344317285
1162a917523
12316261485
1318568391c
14ca779793
157d046375
hex5020a765

1344317285 has 4 divisors (see below), whose sum is σ = 1613180748. Its totient is φ = 1075453824.

The previous prime is 1344317267. The next prime is 1344317309. The reversal of 1344317285 is 5827134431.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5827134431 = 7699756869.

It can be written as a sum of positive squares in 2 ways, for example, as 704530849 + 639786436 = 26543^2 + 25294^2 .

It is a cyclic number.

It is not a de Polignac number, because 1344317285 - 220 = 1343268709 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 134431724 + ... + 134431733.

It is an arithmetic number, because the mean of its divisors is an integer number (403295187).

Almost surely, 21344317285 is an apocalyptic number.

It is an amenable number.

1344317285 is a deficient number, since it is larger than the sum of its proper divisors (268863463).

1344317285 is an equidigital number, since it uses as much as digits as its factorization.

1344317285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268863462.

The product of its digits is 80640, while the sum is 38.

The square root of 1344317285 is about 36664.9326332396. The cubic root of 1344317285 is about 1103.6565055110.

The spelling of 1344317285 in words is "one billion, three hundred forty-four million, three hundred seventeen thousand, two hundred eighty-five".

Divisors: 1 5 268863457 1344317285