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10128090 = 2357172837
BaseRepresentation
bin100110101000…
…101011011010
3201001120010110
4212220223122
510043044330
61001025150
7152041650
oct46505332
921046113
1010128090
115798425
1234851b6
132137c6b
1414b8dd0
15d50db0
hex9a8ada

10128090 has 64 divisors (see below), whose sum is σ = 29424384. Its totient is φ = 2178048.

The previous prime is 10128089. The next prime is 10128109. The reversal of 10128090 is 9082101.

10128090 is digitally balanced in base 2, because in such base 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 (21).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2152 + ... + 4988.

It is an arithmetic number, because the mean of its divisors is an integer number (459756).

Almost surely, 210128090 is an apocalyptic number.

10128090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 10128090, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14712192).

10128090 is an abundant number, since it is smaller than the sum of its proper divisors (19296294).

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

10128090 is a wasteful number, since it uses less digits than its factorization.

10128090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2871.

The product of its (nonzero) digits is 144, while the sum is 21.

The square root of 10128090 is about 3182.4660249561. The cubic root of 10128090 is about 216.3594409678.

The spelling of 10128090 in words is "ten million, one hundred twenty-eight thousand, ninety".

Divisors: 1 2 3 5 6 7 10 14 15 17 21 30 34 35 42 51 70 85 102 105 119 170 210 238 255 357 510 595 714 1190 1785 2837 3570 5674 8511 14185 17022 19859 28370 39718 42555 48229 59577 85110 96458 99295 119154 144687 198590 241145 289374 297885 337603 482290 595770 675206 723435 1012809 1446870 1688015 2025618 3376030 5064045 10128090