Base | Representation |
---|---|
bin | 110101011110… |
… | …0100101111010 |
3 | 1221202100102000 |
4 | 1222330211322 |
5 | 24134113300 |
6 | 2440521430 |
7 | 460204002 |
oct | 152744572 |
9 | 57670360 |
10 | 28035450 |
11 | 149094a3 |
12 | 9480276 |
13 | 5a67a31 |
14 | 3a1b002 |
15 | 26dbc00 |
hex | 1abc97a |
28035450 has 96 divisors (see below), whose sum is σ = 81393600. Its totient is φ = 7076160.
The previous prime is 28035407. The next prime is 28035457. The reversal of 28035450 is 5453082.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (28035457) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 25104 + ... + 26196.
It is an arithmetic number, because the mean of its divisors is an integer number (847850).
Almost surely, 228035450 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 28035450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40696800).
28035450 is an abundant number, since it is smaller than the sum of its proper divisors (53358150).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28035450 is a wasteful number, since it uses less digits than its factorization.
28035450 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1133 (or 1122 counting only the distinct ones).
The product of its (nonzero) digits is 4800, while the sum is 27.
The square root of 28035450 is about 5294.8512726988. The cubic root of 28035450 is about 303.7869944273.
The spelling of 28035450 in words is "twenty-eight million, thirty-five thousand, four hundred fifty".
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