Base | Representation |
---|---|
bin | 110110010010… |
… | …0011000000000 |
3 | 1222112221112020 |
4 | 1230210120000 |
5 | 24241214134 |
6 | 2454001440 |
7 | 463624230 |
oct | 154443000 |
9 | 58487466 |
10 | 28460544 |
11 | 15079912 |
12 | 9646280 |
13 | 5b86378 |
14 | 3acbcc0 |
15 | 2772b49 |
hex | 1b24600 |
28460544 has 80 divisors (see below), whose sum is σ = 86684928. Its totient is φ = 8128512.
The previous prime is 28460527. The next prime is 28460561. The reversal of 28460544 is 44506482.
It is an interprime number because it is at equal distance from previous prime (28460527) and next prime (28460561).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9429 + ... + 12075.
Almost surely, 228460544 is an apocalyptic number.
28460544 is a gapful number since it is divisible by the number (24) 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 28460544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43342464).
28460544 is an abundant number, since it is smaller than the sum of its proper divisors (58224384).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28460544 is an equidigital number, since it uses as much as digits as its factorization.
28460544 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2675 (or 2659 counting only the distinct ones).
The product of its (nonzero) digits is 30720, while the sum is 33.
The square root of 28460544 is about 5334.8424531564. The cubic root of 28460544 is about 305.3147123308.
The spelling of 28460544 in words is "twenty-eight million, four hundred sixty thousand, five hundred forty-four".
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