Base | Representation |
---|---|
bin | 110111000100… |
… | …1111010101101 |
3 | 2000100002001120 |
4 | 1232021322231 |
5 | 24343021321 |
6 | 2510531153 |
7 | 500305635 |
oct | 156117255 |
9 | 60302046 |
10 | 28876461 |
11 | 15333349 |
12 | 9806ab9 |
13 | 5ca0783 |
14 | 3b996c5 |
15 | 2805ec6 |
hex | 1b89ead |
28876461 has 8 divisors (see below), whose sum is σ = 38796384. Its totient is φ = 19103760.
The previous prime is 28876451. The next prime is 28876483. The reversal of 28876461 is 16467882.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 28876461 - 213 = 28868269 is a prime.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (28876451) 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, 36346 + ... + 37131.
It is an arithmetic number, because the mean of its divisors is an integer number (4849548).
Almost surely, 228876461 is an apocalyptic number.
It is an amenable number.
28876461 is a deficient number, since it is larger than the sum of its proper divisors (9919923).
28876461 is a wasteful number, since it uses less digits than its factorization.
28876461 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 73611.
The product of its digits is 129024, while the sum is 42.
The square root of 28876461 is about 5373.6822570748. The cubic root of 28876461 is about 306.7947961485.
The spelling of 28876461 in words is "twenty-eight million, eight hundred seventy-six thousand, four hundred sixty-one".
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