Base | Representation |
---|---|
bin | 110110010100… |
… | …1010101010000 |
3 | 1222120222101020 |
4 | 1230221111100 |
5 | 24242341343 |
6 | 2454235440 |
7 | 464040354 |
oct | 154512520 |
9 | 58528336 |
10 | 28480848 |
11 | 150930a0 |
12 | 9655b80 |
13 | 5b92696 |
14 | 3ad5464 |
15 | 2778b83 |
hex | 1b29550 |
28480848 has 160 divisors (see below), whose sum is σ = 89994240. Its totient is φ = 7649280.
The previous prime is 28480819. The next prime is 28480853. The reversal of 28480848 is 84808482.
It is a super-2 number, since 2×284808482 = 1622317405598208, which contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 170461 + ... + 170627.
It is an arithmetic number, because the mean of its divisors is an integer number (562464).
Almost surely, 228480848 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 28480848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44997120).
28480848 is an abundant number, since it is smaller than the sum of its proper divisors (61513392).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28480848 is a wasteful number, since it uses less digits than its factorization.
28480848 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 225 (or 219 counting only the distinct ones).
The product of its (nonzero) digits is 131072, while the sum is 42.
The square root of 28480848 is about 5336.7450754182. The cubic root of 28480848 is about 305.3872997971.
The spelling of 28480848 in words is "twenty-eight million, four hundred eighty thousand, eight hundred forty-eight".
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