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1308342223 = 1968860117
BaseRepresentation
bin100110111111011…
…1011011111001111
310101011212200010101
41031332323133033
510134413422343
6333454151531
744264503546
oct11576733717
93334780111
101308342223
11611585971
123061b25a7
1317b0990c6
14c5a9315d
1579cdbe4d
hex4dfbb7cf

1308342223 has 4 divisors (see below), whose sum is σ = 1377202360. Its totient is φ = 1239482088.

The previous prime is 1308342199. The next prime is 1308342229. The reversal of 1308342223 is 3222438031.

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

It is a cyclic number.

It is not a de Polignac number, because 1308342223 - 29 = 1308341711 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1308342191 and 1308342200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1308342229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34430040 + ... + 34430077.

It is an arithmetic number, because the mean of its divisors is an integer number (344300590).

Almost surely, 21308342223 is an apocalyptic number.

1308342223 is a deficient number, since it is larger than the sum of its proper divisors (68860137).

1308342223 is an equidigital number, since it uses as much as digits as its factorization.

1308342223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68860136.

The product of its (nonzero) digits is 6912, while the sum is 28.

The square root of 1308342223 is about 36171.0135744079. The cubic root of 1308342223 is about 1093.7224309655.

The spelling of 1308342223 in words is "one billion, three hundred eight million, three hundred forty-two thousand, two hundred twenty-three".

Divisors: 1 19 68860117 1308342223