Base | Representation |
---|---|
bin | 1111101010011000000000 |
3 | 21201121000000 |
4 | 33222120000 |
5 | 2022340403 |
6 | 224000000 |
7 | 46620024 |
oct | 17523000 |
9 | 7647000 |
10 | 4105728 |
11 | 2354770 |
12 | 1460000 |
13 | b09a33 |
14 | 78c384 |
15 | 5617a3 |
hex | 3ea600 |
4105728 has 140 divisors (see below), whose sum is σ = 13417668. Its totient is φ = 1244160.
The previous prime is 4105711. The next prime is 4105763. The reversal of 4105728 is 8275014.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 373243 + ... + 373253.
Almost surely, 24105728 is an apocalyptic number.
4105728 is a gapful number since it is divisible by the number (48) 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 4105728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6708834).
4105728 is an abundant number, since it is smaller than the sum of its proper divisors (9311940).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
4105728 is an frugal number, since it uses more digits than its factorization.
4105728 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 47 (or 16 counting only the distinct ones).
The product of its (nonzero) digits is 2240, while the sum is 27.
The square root of 4105728 is about 2026.2596082437. The cubic root of 4105728 is about 160.1265665210.
The spelling of 4105728 in words is "four million, one hundred five thousand, seven hundred twenty-eight".
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