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383916 = 2231323107
BaseRepresentation
bin1011101101110101100
3201111122010
41131232230
544241131
612121220
73156201
oct1355654
9644563
10383916
11242495
12166210
13105990
149dca8
1578b46
hex5dbac

383916 has 48 divisors (see below), whose sum is σ = 1016064. Its totient is φ = 111936.

The previous prime is 383909. The next prime is 383917. The reversal of 383916 is 619383.

It is not an unprimeable number, because it can be changed into a prime (383917) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3535 + ... + 3641.

It is an arithmetic number, because the mean of its divisors is an integer number (21168).

2383916 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 383916, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (508032).

383916 is an abundant number, since it is smaller than the sum of its proper divisors (632148).

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

383916 is a wasteful number, since it uses less digits than its factorization.

383916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150 (or 148 counting only the distinct ones).

The product of its digits is 3888, while the sum is 30.

The square root of 383916 is about 619.6095544777. The cubic root of 383916 is about 72.6795233917.

The spelling of 383916 in words is "three hundred eighty-three thousand, nine hundred sixteen".

Divisors: 1 2 3 4 6 12 13 23 26 39 46 52 69 78 92 107 138 156 214 276 299 321 428 598 642 897 1196 1284 1391 1794 2461 2782 3588 4173 4922 5564 7383 8346 9844 14766 16692 29532 31993 63986 95979 127972 191958 383916