Base | Representation |
---|---|
bin | 110101101100… |
… | …1010000010101 |
3 | 1221222022110021 |
4 | 1223121100111 |
5 | 24201342403 |
6 | 2443225141 |
7 | 461203201 |
oct | 153312025 |
9 | 57868407 |
10 | 28152853 |
11 | 14989723 |
12 | 95181b1 |
13 | 5aa92c1 |
14 | 3a4bb01 |
15 | 27118bd |
hex | 1ad9415 |
28152853 has 8 divisors (see below), whose sum is σ = 28980000. Its totient is φ = 27337488.
The previous prime is 28152829. The next prime is 28152857. The reversal of 28152853 is 35825182.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 28152853 - 217 = 28021781 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (28152857) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2023 + ... + 7771.
It is an arithmetic number, because the mean of its divisors is an integer number (3622500).
Almost surely, 228152853 is an apocalyptic number.
It is an amenable number.
28152853 is a deficient number, since it is larger than the sum of its proper divisors (827147).
28152853 is an equidigital number, since it uses as much as digits as its factorization.
28152853 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5891.
The product of its digits is 19200, while the sum is 34.
The square root of 28152853 is about 5305.9262150920. The cubic root of 28152853 is about 304.2104563297.
It can be divided in two parts, 28 and 152853, that added together give a square (152881 = 3912).
The spelling of 28152853 in words is "twenty-eight million, one hundred fifty-two thousand, eight hundred fifty-three".
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