Base | Representation |
---|---|
bin | 110110011101… |
… | …1001110000111 |
3 | 1222201200212222 |
4 | 1230323032013 |
5 | 24302212434 |
6 | 2500002555 |
7 | 464464106 |
oct | 154731607 |
9 | 58650788 |
10 | 28554119 |
11 | 15133150 |
12 | 969045b |
13 | 5bb9b39 |
14 | 3b1403d |
15 | 279072e |
hex | 1b3b387 |
28554119 has 8 divisors (see below), whose sum is σ = 31198608. Its totient is φ = 25917760.
The previous prime is 28554079. The next prime is 28554139. The reversal of 28554119 is 91145582.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a de Polignac number, because none of the positive numbers 2k-28554119 is a prime.
It is a super-2 number, since 2×285541192 = 1630675423732322, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (28554139) 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, 7139 + ... + 10395.
It is an arithmetic number, because the mean of its divisors is an integer number (3899826).
Almost surely, 228554119 is an apocalyptic number.
28554119 is a deficient number, since it is larger than the sum of its proper divisors (2644489).
28554119 is a wasteful number, since it uses less digits than its factorization.
28554119 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4065.
The product of its digits is 14400, while the sum is 35.
The square root of 28554119 is about 5343.6054307930. The cubic root of 28554119 is about 305.6489595122.
The spelling of 28554119 in words is "twenty-eight million, five hundred fifty-four thousand, one hundred nineteen".
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