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385800668 = 22118768197
BaseRepresentation
bin10110111111101…
…101100111011100
3222212221201000122
4112333231213130
51242231110133
6102141014112
712363152201
oct2677554734
9885851018
10385800668
11188857830
12a9254338
1361c0c526
1439349ca8
1523d0b498
hex16fed9dc

385800668 has 12 divisors (see below), whose sum is σ = 736528632. Its totient is φ = 175363920.

The previous prime is 385800637. The next prime is 385800697. The reversal of 385800668 is 866008583.

It is a Harshad number since it is a multiple of its sum of digits (44), and also a Moran number because the ratio is a prime number: 8768197 = 385800668 / (3 + 8 + 5 + 8 + 0 + 0 + 6 + 6 + 8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4384055 + ... + 4384142.

It is an arithmetic number, because the mean of its divisors is an integer number (61377386).

Almost surely, 2385800668 is an apocalyptic number.

It is an amenable number.

385800668 is a deficient number, since it is larger than the sum of its proper divisors (350727964).

385800668 is a wasteful number, since it uses less digits than its factorization.

385800668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8768212 (or 8768210 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 44.

The square root of 385800668 is about 19641.8091834739. The cubic root of 385800668 is about 727.9825877371.

The spelling of 385800668 in words is "three hundred eighty-five million, eight hundred thousand, six hundred sixty-eight".

Divisors: 1 2 4 11 22 44 8768197 17536394 35072788 96450167 192900334 385800668