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378768528 = 24335371233
BaseRepresentation
bin10110100100111…
…000110010010000
3222101201102202000
4112210320302100
51233431043103
6101330154000
712246323265
oct2644706220
9871642660
10378768528
11184894446
12a6a22900
13606197b8
143843926c
15233bcaa3
hex16938c90

378768528 has 160 divisors (see below), whose sum is σ = 1128142080. Its totient is φ = 121605120.

The previous prime is 378768527. The next prime is 378768539. The reversal of 378768528 is 825867873.

378768528 is a `hidden beast` number, since 37 + 87 + 6 + 8 + 528 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (378768527) 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, 1625500 + ... + 1625732.

It is an arithmetic number, because the mean of its divisors is an integer number (7050888).

Almost surely, 2378768528 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 378768528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (564071040).

378768528 is an abundant number, since it is smaller than the sum of its proper divisors (749373552).

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

378768528 is a wasteful number, since it uses less digits than its factorization.

378768528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 374 (or 362 counting only the distinct ones).

The product of its digits is 4515840, while the sum is 54.

The square root of 378768528 is about 19461.9764669470. The cubic root of 378768528 is about 723.5323638890.

The spelling of 378768528 in words is "three hundred seventy-eight million, seven hundred sixty-eight thousand, five hundred twenty-eight".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 27 36 48 53 54 71 72 106 108 142 144 159 212 213 216 233 284 318 424 426 432 466 477 568 636 639 699 848 852 932 954 1136 1272 1278 1398 1431 1704 1864 1908 1917 2097 2544 2556 2796 2862 3408 3728 3763 3816 3834 4194 5112 5592 5724 6291 7526 7632 7668 8388 10224 11184 11289 11448 12349 12582 15052 15336 16543 16776 22578 22896 24698 25164 30104 30672 33086 33552 33867 37047 45156 49396 49629 50328 60208 66172 67734 74094 90312 98792 99258 100656 101601 111141 132344 135468 148188 148887 180624 197584 198516 203202 222282 264688 270936 296376 297774 333423 397032 406404 444564 446661 541872 592752 595548 666846 794064 812808 876779 889128 893322 1191096 1333692 1625616 1753558 1778256 1786644 2382192 2630337 2667384 3507116 3573288 5260674 5334768 7014232 7146576 7891011 10521348 14028464 15782022 21042696 23673033 31564044 42085392 47346066 63128088 94692132 126256176 189384264 378768528