Base | Representation |
---|---|
bin | 110110010100… |
… | …1110001000110 |
3 | 1222121001211020 |
4 | 1230221301012 |
5 | 24242421010 |
6 | 2454252010 |
7 | 464045511 |
oct | 154516106 |
9 | 58531736 |
10 | 28482630 |
11 | 15094470 |
12 | 9657006 |
13 | 5b93437 |
14 | 3ad5d78 |
15 | 2779470 |
hex | 1b29c46 |
28482630 has 32 divisors (see below), whose sum is σ = 74573568. Its totient is φ = 6904800.
The previous prime is 28482617. The next prime is 28482631. The reversal of 28482630 is 3628482.
It is a super-3 number, since 3×284826303 (a number of 23 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a Harshad number since it is a multiple of its sum of digits (33).
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 28482591 and 28482600.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (28482631) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42826 + ... + 43485.
It is an arithmetic number, because the mean of its divisors is an integer number (2330424).
Almost surely, 228482630 is an apocalyptic number.
28482630 is an abundant number, since it is smaller than the sum of its proper divisors (46090938).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28482630 is a wasteful number, since it uses less digits than its factorization.
28482630 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 86332.
The product of its (nonzero) digits is 18432, while the sum is 33.
The square root of 28482630 is about 5336.9120285049. The cubic root of 28482630 is about 305.3936688586.
The spelling of 28482630 in words is "twenty-eight million, four hundred eighty-two thousand, six hundred thirty".
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