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385210848 = 25311379859
BaseRepresentation
bin10110111101011…
…101100111100000
3222211211201221110
4112331131213200
51242103221343
6102120223320
712355144461
oct2675354740
9884751843
10385210848
11188494680
12a900ab40
1361a63c19
1439234d68
1523c41833
hex16f5d9e0

385210848 has 96 divisors (see below), whose sum is σ = 1133032320. Its totient is φ = 113564160.

The previous prime is 385210843. The next prime is 385210933. The reversal of 385210848 is 848012583.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (385210843) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34143 + ... + 44001.

It is an arithmetic number, because the mean of its divisors is an integer number (11802420).

Almost surely, 2385210848 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 385210848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (566516160).

385210848 is an abundant number, since it is smaller than the sum of its proper divisors (747821472).

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

385210848 is a wasteful number, since it uses less digits than its factorization.

385210848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9920 (or 9912 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 39.

The square root of 385210848 is about 19626.7890394736. The cubic root of 385210848 is about 727.6114135999.

The spelling of 385210848 in words is "three hundred eighty-five million, two hundred ten thousand, eight hundred forty-eight".

Divisors: 1 2 3 4 6 8 11 12 16 22 24 32 33 37 44 48 66 74 88 96 111 132 148 176 222 264 296 352 407 444 528 592 814 888 1056 1184 1221 1628 1776 2442 3256 3552 4884 6512 9768 9859 13024 19536 19718 29577 39072 39436 59154 78872 108449 118308 157744 216898 236616 315488 325347 364783 433796 473232 650694 729566 867592 946464 1094349 1301388 1459132 1735184 2188698 2602776 2918264 3470368 4012613 4377396 5205552 5836528 8025226 8754792 10411104 11673056 12037839 16050452 17509584 24075678 32100904 35019168 48151356 64201808 96302712 128403616 192605424 385210848