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385793828 = 22713778351
BaseRepresentation
bin10110111111101…
…011111100100100
3222212221100122022
4112333223330210
51242230400303
6102140522312
712363123230
oct2677537444
9885840568
10385793828
11188852682
12a9250398
1361c09394
14393475c0
1523d09438
hex16febf24

385793828 has 12 divisors (see below), whose sum is σ = 771587712. Its totient is φ = 165340200.

The previous prime is 385793827. The next prime is 385793897. The reversal of 385793828 is 828397583.

385793828 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 385793828.

It is not an unprimeable number, because it can be changed into a prime (385793827) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6889148 + ... + 6889203.

It is an arithmetic number, because the mean of its divisors is an integer number (64298976).

Almost surely, 2385793828 is an apocalyptic number.

It is an amenable number.

385793828 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

385793828 is a wasteful number, since it uses less digits than its factorization.

385793828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13778362 (or 13778360 counting only the distinct ones).

The product of its digits is 2903040, while the sum is 53.

The square root of 385793828 is about 19641.6350643219. The cubic root of 385793828 is about 727.9782854893.

The spelling of 385793828 in words is "three hundred eighty-five million, seven hundred ninety-three thousand, eight hundred twenty-eight".

Divisors: 1 2 4 7 14 28 13778351 27556702 55113404 96448457 192896914 385793828