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385481055 = 35139293631
BaseRepresentation
bin10110111110011…
…111100101011111
3222212100110121010
4112332133211133
51242140343210
6102130110303
712360351321
oct2676374537
9885313533
10385481055
11188659693
12a911b393
1361b29bcb
14392a5611
1523c96920
hex16f9f95f

385481055 has 32 divisors (see below), whose sum is σ = 624314880. Its totient is φ = 203091840.

The previous prime is 385481051. The next prime is 385481087. The reversal of 385481055 is 550184583.

It is not a de Polignac number, because 385481055 - 22 = 385481051 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (385481051) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 610590 + ... + 611220.

It is an arithmetic number, because the mean of its divisors is an integer number (19509840).

Almost surely, 2385481055 is an apocalyptic number.

385481055 is a deficient number, since it is larger than the sum of its proper divisors (238833825).

385481055 is a wasteful number, since it uses less digits than its factorization.

385481055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1071.

The product of its (nonzero) digits is 96000, while the sum is 39.

The square root of 385481055 is about 19633.6714600199. The cubic root of 385481055 is about 727.7815020474.

The spelling of 385481055 in words is "three hundred eighty-five million, four hundred eighty-one thousand, fifty-five".

Divisors: 1 3 5 15 139 293 417 631 695 879 1465 1893 2085 3155 4395 9465 40727 87709 122181 184883 203635 263127 438545 554649 610905 924415 1315635 2773245 25698737 77096211 128493685 385481055