Base | Representation |
---|---|
bin | 111100011000… |
… | …010001010000 |
3 | 1002210011000000 |
4 | 330120101100 |
5 | 13022444143 |
6 | 1323130000 |
7 | 251351625 |
oct | 74302120 |
9 | 32704000 |
10 | 15828048 |
11 | 8a30935 |
12 | 5373900 |
13 | 3382512 |
14 | 216034c |
15 | 15c9bd3 |
hex | f18450 |
15828048 has 140 divisors (see below), whose sum is σ = 48791520. Its totient is φ = 4961088.
The previous prime is 15828047. The next prime is 15828053. The reversal of 15828048 is 84082851.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (15828041) by changing a digit.
It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 268243 + ... + 268301.
Almost surely, 215828048 is an apocalyptic number.
15828048 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 15828048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24395760).
15828048 is an abundant number, since it is smaller than the sum of its proper divisors (32963472).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
15828048 is an equidigital number, since it uses as much as digits as its factorization.
15828048 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 108 (or 87 counting only the distinct ones).
The product of its (nonzero) digits is 20480, while the sum is 36.
The square root of 15828048 is about 3978.4479385811. The cubic root of 15828048 is about 251.0782653558.
The spelling of 15828048 in words is "fifteen million, eight hundred twenty-eight thousand, forty-eight".
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