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1394985312 = 253272412411
BaseRepresentation
bin101001100100101…
…1100100101100000
310121012220121002200
41103021130211200
510324104012222
6350231213200
746366115400
oct12311344540
93535817080
101394985312
11656484126
1232b217200
131930140c6
14d33a8800
1582703eac
hex5325c960

1394985312 has 216 divisors, whose sum is σ = 4729174632. Its totient is φ = 388684800.

The previous prime is 1394985299. The next prime is 1394985329. The reversal of 1394985312 is 2135894931.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 577387 + ... + 579797.

It is an arithmetic number, because the mean of its divisors is an integer number (21894327).

Almost surely, 21394985312 is an apocalyptic number.

1394985312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1394985312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2364587316).

1394985312 is an abundant number, since it is smaller than the sum of its proper divisors (3334189320).

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

1394985312 is a wasteful number, since it uses less digits than its factorization.

1394985312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2482 (or 2464 counting only the distinct ones).

The product of its digits is 233280, while the sum is 45.

The square root of 1394985312 is about 37349.5021653569. The cubic root of 1394985312 is about 1117.3516593631.

The spelling of 1394985312 in words is "one billion, three hundred ninety-four million, nine hundred eighty-five thousand, three hundred twelve".