Base | Representation |
---|---|
bin | 110110010001… |
… | …1110010100110 |
3 | 1222112211020120 |
4 | 1230203302212 |
5 | 24241130100 |
6 | 2453542410 |
7 | 463614240 |
oct | 154436246 |
9 | 58484216 |
10 | 28458150 |
11 | 15078036 |
12 | 9644a06 |
13 | 5b85256 |
14 | 3acb090 |
15 | 27720a0 |
hex | 1b23ca6 |
28458150 has 48 divisors (see below), whose sum is σ = 80661504. Its totient is φ = 6504480.
The previous prime is 28458139. The next prime is 28458163. The reversal of 28458150 is 5185482.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12502 + ... + 14601.
It is an arithmetic number, because the mean of its divisors is an integer number (1680448).
Almost surely, 228458150 is an apocalyptic number.
28458150 is an abundant number, since it is smaller than the sum of its proper divisors (52203354).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28458150 is a wasteful number, since it uses less digits than its factorization.
28458150 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 27125 (or 27120 counting only the distinct ones).
The product of its (nonzero) digits is 12800, while the sum is 33.
The square root of 28458150 is about 5334.6180744267. The cubic root of 28458150 is about 305.3061514272.
The spelling of 28458150 in words is "twenty-eight million, four hundred fifty-eight thousand, one hundred fifty".
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