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1324432985 = 5761348077
BaseRepresentation
bin100111011110001…
…0011111001011001
310102022011011111112
41032330103321121
510203023323420
6335231110105
744551331441
oct11674237131
93368134445
101324432985
1161a676117
1230b672335
13181511075
14c7c81121
157b4198c5
hex4ef13e59

1324432985 has 8 divisors (see below), whose sum is σ = 1591412616. Its totient is φ = 1058151040.

The previous prime is 1324432973. The next prime is 1324433009. The reversal of 1324432985 is 5892344231.

It can be written as a sum of positive squares in 4 ways, for example, as 108097609 + 1216335376 = 10397^2 + 34876^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1324432985 - 24 = 1324432969 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 170234 + ... + 177843.

It is an arithmetic number, because the mean of its divisors is an integer number (198926577).

Almost surely, 21324432985 is an apocalyptic number.

It is an amenable number.

1324432985 is a deficient number, since it is larger than the sum of its proper divisors (266979631).

1324432985 is an equidigital number, since it uses as much as digits as its factorization.

1324432985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 348843.

The product of its digits is 207360, while the sum is 41.

The square root of 1324432985 is about 36392.7600629576. The cubic root of 1324432985 is about 1098.1879214810.

The spelling of 1324432985 in words is "one billion, three hundred twenty-four million, four hundred thirty-two thousand, nine hundred eighty-five".

Divisors: 1 5 761 3805 348077 1740385 264886597 1324432985