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383390208 = 29321929151
BaseRepresentation
bin10110110110100…
…001001000000000
3222201102020111100
4112312201020000
51241121441313
6102013214400
712333522465
oct2666411000
9881366440
10383390208
11187460813
12a8491400
1361577316
1438cbd66c
15239d2173
hex16da1200

383390208 has 240 divisors, whose sum is σ = 1212868800. Its totient is φ = 116121600.

The previous prime is 383390191. The next prime is 383390321. The reversal of 383390208 is 802093383.

383390208 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2538933 + ... + 2539083.

It is an arithmetic number, because the mean of its divisors is an integer number (5053620).

Almost surely, 2383390208 is an apocalyptic number.

383390208 is a gapful number since it is divisible by the number (38) 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 383390208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (606434400).

383390208 is an abundant number, since it is smaller than the sum of its proper divisors (829478592).

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

383390208 is a wasteful number, since it uses less digits than its factorization.

383390208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223 (or 204 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The square root of 383390208 is about 19580.3526015238. The cubic root of 383390208 is about 726.4632882945.

The spelling of 383390208 in words is "three hundred eighty-three million, three hundred ninety thousand, two hundred eight".