Search a number
-
+
10078128 = 243341569
BaseRepresentation
bin100110011100…
…011110110000
3200222000121000
4212130132300
510040000003
61000002000
7151443204
oct46343660
920860530
1010078128
115763935
123460300
13211b2b8
1414a4b04
15d411a3
hex99c7b0

10078128 has 80 divisors (see below), whose sum is σ = 29685600. Its totient is φ = 3271680.

The previous prime is 10078063. The next prime is 10078129. The reversal of 10078128 is 82187001.

10078128 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (10078129) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17428 + ... + 17996.

It is an arithmetic number, because the mean of its divisors is an integer number (371070).

Almost surely, 210078128 is an apocalyptic number.

10078128 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10078128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14842800).

10078128 is an abundant number, since it is smaller than the sum of its proper divisors (19607472).

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

10078128 is a wasteful number, since it uses less digits than its factorization.

10078128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 627 (or 615 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 27.

The square root of 10078128 is about 3174.6067472996. The cubic root of 10078128 is about 216.0030863757.

Multiplying 10078128 by its sum of digits (27), we get a triangular number (272109456 = T23328).

The spelling of 10078128 in words is "ten million, seventy-eight thousand, one hundred twenty-eight".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 27 36 41 48 54 72 82 108 123 144 164 216 246 328 369 432 492 569 656 738 984 1107 1138 1476 1707 1968 2214 2276 2952 3414 4428 4552 5121 5904 6828 8856 9104 10242 13656 15363 17712 20484 23329 27312 30726 40968 46658 61452 69987 81936 93316 122904 139974 186632 209961 245808 279948 373264 419922 559896 629883 839844 1119792 1259766 1679688 2519532 3359376 5039064 10078128