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385487852 = 22172312347
BaseRepresentation
bin10110111110100…
…001001111101100
3222212100210220212
4112332201033230
51242141102402
6102130201552
712360410201
oct2676411754
9885323825
10385487852
11188663802
12a91232b8
1361b30029
14392a7ca8
1523c98952
hex16fa13ec

385487852 has 54 divisors (see below), whose sum is σ = 742617036. Its totient is φ = 175048320.

The previous prime is 385487849. The next prime is 385487873. The reversal of 385487852 is 258784583.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 385487852.

It is an unprimeable number.

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 17 ways as a sum of consecutive naturals, for example, 1110743 + ... + 1111089.

Almost surely, 2385487852 is an apocalyptic number.

It is an amenable number.

385487852 is a deficient number, since it is larger than the sum of its proper divisors (357129184).

385487852 is a wasteful number, since it uses less digits than its factorization.

385487852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 447 (or 397 counting only the distinct ones).

The product of its digits is 2150400, while the sum is 50.

The square root of 385487852 is about 19633.8445547478. The cubic root of 385487852 is about 727.7857795614.

The spelling of 385487852 in words is "three hundred eighty-five million, four hundred eighty-seven thousand, eight hundred fifty-two".

Divisors: 1 2 4 17 31 34 62 68 124 289 347 527 578 694 961 1054 1156 1388 1922 2108 3844 5899 8959 10757 11798 16337 17918 21514 23596 32674 35836 43028 65348 100283 182869 200566 277729 333467 365738 401132 555458 666934 731476 1110916 1333868 3108773 5668939 6217546 11337878 12435092 22675756 96371963 192743926 385487852