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385319320 = 2359632983
BaseRepresentation
bin10110111101111…
…000000110011000
3222212001020201221
4112331320012120
51242120204240
6102122421424
712356105641
oct2675700630
9885036657
10385319320
11188559121
12a9061874
1361aa13c9
14392626c8
1523c63a4a
hex16f78198

385319320 has 16 divisors (see below), whose sum is σ = 866968560. Its totient is φ = 154127712.

The previous prime is 385319303. The next prime is 385319321. The reversal of 385319320 is 23913583.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (385319321) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4816452 + ... + 4816531.

It is an arithmetic number, because the mean of its divisors is an integer number (54185535).

Almost surely, 2385319320 is an apocalyptic number.

It is an amenable number.

385319320 is an abundant number, since it is smaller than the sum of its proper divisors (481649240).

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

385319320 is a wasteful number, since it uses less digits than its factorization.

385319320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9632994 (or 9632990 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 34.

The square root of 385319320 is about 19629.5522108886. The cubic root of 385319320 is about 727.6797035235.

The spelling of 385319320 in words is "three hundred eighty-five million, three hundred nineteen thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 9632983 19265966 38531932 48164915 77063864 96329830 192659660 385319320