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1394380867 = 11223568439
BaseRepresentation
bin101001100011100…
…1001000001000011
310121011202212221211
41103013021001003
510323430141432
6350210230551
746361020225
oct12307110103
93534685854
101394380867
11656100a90
1232ab85457
13192b61c49
14d328c415
1582634d47
hex531c9043

1394380867 has 8 divisors (see below), whose sum is σ = 1527966720. Its totient is φ = 1261932360.

The previous prime is 1394380829. The next prime is 1394380877. The reversal of 1394380867 is 7680834931.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1394380867 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 1394380867.

It is not an unprimeable number, because it can be changed into a prime (1394380877) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 281767 + ... + 286672.

It is an arithmetic number, because the mean of its divisors is an integer number (190995840).

Almost surely, 21394380867 is an apocalyptic number.

1394380867 is a deficient number, since it is larger than the sum of its proper divisors (133585853).

1394380867 is a wasteful number, since it uses less digits than its factorization.

1394380867 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 568673.

The product of its (nonzero) digits is 870912, while the sum is 49.

The square root of 1394380867 is about 37341.4095475787. The cubic root of 1394380867 is about 1117.1902537942.

The spelling of 1394380867 in words is "one billion, three hundred ninety-four million, three hundred eighty thousand, eight hundred sixty-seven".

Divisors: 1 11 223 2453 568439 6252829 126761897 1394380867