Base | Representation |
---|---|
bin | 110110100101… |
… | …1000100011000 |
3 | 1222211222221011 |
4 | 1231023010120 |
5 | 24311302112 |
6 | 2501223304 |
7 | 465154261 |
oct | 155130430 |
9 | 58758834 |
10 | 28619032 |
11 | 151779a2 |
12 | 9701b34 |
13 | 5c10550 |
14 | 3b2d968 |
15 | 27a4aa7 |
hex | 1b4b118 |
28619032 has 16 divisors (see below), whose sum is σ = 57788640. Its totient is φ = 13208736.
The previous prime is 28619029. The next prime is 28619033. The reversal of 28619032 is 23091682.
It is a junction number, because it is equal to n+sod(n) for n = 28618985 and 28619003.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (28619033) by changing a digit.
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 3 ways as a sum of consecutive naturals, for example, 137488 + ... + 137695.
It is an arithmetic number, because the mean of its divisors is an integer number (3611790).
Almost surely, 228619032 is an apocalyptic number.
It is an amenable number.
28619032 is an abundant number, since it is smaller than the sum of its proper divisors (29169608).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28619032 is a wasteful number, since it uses less digits than its factorization.
28619032 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 275202 (or 275198 counting only the distinct ones).
The product of its (nonzero) digits is 5184, while the sum is 31.
The square root of 28619032 is about 5349.6758780322. The cubic root of 28619032 is about 305.8803981021.
The spelling of 28619032 in words is "twenty-eight million, six hundred nineteen thousand, thirty-two".
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