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384828290 = 257113111607
BaseRepresentation
bin10110111100000…
…000001110000010
3222211010022011122
4112330000032002
51242004001130
6102104112242
712351662240
oct2674001602
9884108148
10384828290
11188253210
12a8a65682
136195ba62
1439175790
1523bb82e5
hex16f00382

384828290 has 64 divisors (see below), whose sum is σ = 866930688. Its totient is φ = 119486400.

The previous prime is 384828277. The next prime is 384828313. The reversal of 384828290 is 92828483.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 238667 + ... + 240273.

It is an arithmetic number, because the mean of its divisors is an integer number (13545792).

Almost surely, 2384828290 is an apocalyptic number.

384828290 is an abundant number, since it is smaller than the sum of its proper divisors (482102398).

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

384828290 is a wasteful number, since it uses less digits than its factorization.

384828290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1943.

The product of its (nonzero) digits is 221184, while the sum is 44.

The square root of 384828290 is about 19617.0408064009. The cubic root of 384828290 is about 727.3704669729.

The spelling of 384828290 in words is "three hundred eighty-four million, eight hundred twenty-eight thousand, two hundred ninety".

Divisors: 1 2 5 7 10 11 14 22 35 55 70 77 110 154 311 385 622 770 1555 1607 2177 3110 3214 3421 4354 6842 8035 10885 11249 16070 17105 17677 21770 22498 23947 34210 35354 47894 56245 88385 112490 119735 123739 176770 239470 247478 499777 618695 999554 1237390 2498885 3498439 4997770 5497547 6996878 10995094 17492195 27487735 34984390 38482829 54975470 76965658 192414145 384828290