Base | Representation |
---|---|
bin | 110110100101… |
… | …1000100101011 |
3 | 1222211222221212 |
4 | 1231023010223 |
5 | 24311302201 |
6 | 2501223335 |
7 | 465154316 |
oct | 155130453 |
9 | 58758855 |
10 | 28619051 |
11 | 15177a0a |
12 | 9701b4b |
13 | 5c10566 |
14 | 3b2d97d |
15 | 27a4abb |
hex | 1b4b12b |
28619051 has 8 divisors (see below), whose sum is σ = 28935504. Its totient is φ = 28304640.
The previous prime is 28619039. The next prime is 28619053. The reversal of 28619051 is 15091682.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 28619051 - 26 = 28618987 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 28618999 and 28619017.
It is not an unprimeable number, because it can be changed into a prime (28619053) by changing a digit.
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 7 ways as a sum of consecutive naturals, for example, 54671 + ... + 55191.
It is an arithmetic number, because the mean of its divisors is an integer number (3616938).
Almost surely, 228619051 is an apocalyptic number.
28619051 is a deficient number, since it is larger than the sum of its proper divisors (316453).
28619051 is a wasteful number, since it uses less digits than its factorization.
28619051 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1021.
The product of its (nonzero) digits is 4320, while the sum is 32.
The square root of 28619051 is about 5349.6776538405. The cubic root of 28619051 is about 305.8804657928.
The spelling of 28619051 in words is "twenty-eight million, six hundred nineteen thousand, fifty-one".
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