Search a number
-
+
1038828384 = 2532111719289
BaseRepresentation
bin111101111010110…
…100001101100000
32200101201221122100
4331322310031200
54111420002014
6251025410400
734512616116
oct7572641540
92611657570
101038828384
11493434160
1224ba99a00
131372b3669
149bd77ab6
1561301009
hex3deb4360

1038828384 has 144 divisors (see below), whose sum is σ = 3412478160. Its totient is φ = 296263680.

The previous prime is 1038828379. The next prime is 1038828389. The reversal of 1038828384 is 4838288301.

It is an interprime number because it is at equal distance from previous prime (1038828379) and next prime (1038828389).

It is a tau number, because it is divible by the number of its divisors (144).

It is a super-2 number, since 2×10388283842 = 2158328822808102912, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1038828389) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 44212 + ... + 63500.

It is an arithmetic number, because the mean of its divisors is an integer number (23697765).

Almost surely, 21038828384 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 1038828384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1706239080).

1038828384 is an abundant number, since it is smaller than the sum of its proper divisors (2373649776).

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

1038828384 is a wasteful number, since it uses less digits than its factorization.

1038828384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19333 (or 19322 counting only the distinct ones).

The product of its (nonzero) digits is 294912, while the sum is 45.

The square root of 1038828384 is about 32230.8607393597. The cubic root of 1038828384 is about 1012.7788013203.

The spelling of 1038828384 in words is "one billion, thirty-eight million, eight hundred twenty-eight thousand, three hundred eighty-four".

Divisors: 1 2 3 4 6 8 9 11 12 16 17 18 22 24 32 33 34 36 44 48 51 66 68 72 88 96 99 102 132 136 144 153 176 187 198 204 264 272 288 306 352 374 396 408 528 544 561 612 748 792 816 1056 1122 1224 1496 1584 1632 1683 2244 2448 2992 3168 3366 4488 4896 5984 6732 8976 13464 17952 19289 26928 38578 53856 57867 77156 115734 154312 173601 212179 231468 308624 327913 347202 424358 462936 617248 636537 655826 694404 848716 925872 983739 1273074 1311652 1388808 1697432 1851744 1909611 1967478 2546148 2623304 2777616 2951217 3394864 3607043 3819222 3934956 5092296 5246608 5555232 5902434 6789728 7214086 7638444 7869912 10184592 10493216 10821129 11804868 14428172 15276888 15739824 20369184 21642258 23609736 28856344 30553776 31479648 32463387 43284516 47219472 57712688 61107552 64926774 86569032 94438944 115425376 129853548 173138064 259707096 346276128 519414192 1038828384