Base | Representation |
---|---|
bin | 110111000010… |
… | …0000101000001 |
3 | 2000021212020210 |
4 | 1232010011001 |
5 | 24341240140 |
6 | 2510224333 |
7 | 500146131 |
oct | 156040501 |
9 | 60255223 |
10 | 28852545 |
11 | 15317387 |
12 | 97b50a9 |
13 | 5c92917 |
14 | 3b90ac1 |
15 | 27edd80 |
hex | 1b84141 |
28852545 has 32 divisors (see below), whose sum is σ = 49351680. Its totient is φ = 14351040.
The previous prime is 28852541. The next prime is 28852567. The reversal of 28852545 is 54525882.
It is not a de Polignac number, because 28852545 - 22 = 28852541 is a prime.
It is a super-3 number, since 3×288525453 (a number of 23 digits) contains 333 as substring.
It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is not an unprimeable number, because it can be changed into a prime (28852541) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18340 + ... + 19850.
It is an arithmetic number, because the mean of its divisors is an integer number (1542240).
Almost surely, 228852545 is an apocalyptic number.
It is an amenable number.
28852545 is a deficient number, since it is larger than the sum of its proper divisors (20499135).
28852545 is a wasteful number, since it uses less digits than its factorization.
28852545 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1605.
The product of its digits is 128000, while the sum is 39.
The square root of 28852545 is about 5371.4565063863. The cubic root of 28852545 is about 306.7100751145.
The spelling of 28852545 in words is "twenty-eight million, eight hundred fifty-two thousand, five hundred forty-five".
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