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1318340382 = 23219723397
BaseRepresentation
bin100111010010100…
…0100011100011110
310101212200122000120
41032211010130132
510144443343012
6334452335410
744445464652
oct11645043436
93355618016
101318340382
11617194707
12309614566
13180189b88
14c7136a62
157ab1458c
hex4e94471e

1318340382 has 8 divisors (see below), whose sum is σ = 2636680776. Its totient is φ = 439446792.

The previous prime is 1318340371. The next prime is 1318340383. The reversal of 1318340382 is 2830438131.

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

1318340382 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1318340383) 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, 109861693 + ... + 109861704.

It is an arithmetic number, because the mean of its divisors is an integer number (329585097).

Almost surely, 21318340382 is an apocalyptic number.

1318340382 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1318340382 is a wasteful number, since it uses less digits than its factorization.

1318340382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219723402.

The product of its (nonzero) digits is 13824, while the sum is 33.

The square root of 1318340382 is about 36308.9573246052. The cubic root of 1318340382 is about 1096.5013861814.

The spelling of 1318340382 in words is "one billion, three hundred eighteen million, three hundred forty thousand, three hundred eighty-two".

Divisors: 1 2 3 6 219723397 439446794 659170191 1318340382