Base | Representation |
---|---|
bin | 110101100000… |
… | …1001101011001 |
3 | 1221210022100102 |
4 | 1223001031121 |
5 | 24140214421 |
6 | 2441145145 |
7 | 460313066 |
oct | 153011531 |
9 | 57708312 |
10 | 28054361 |
11 | 14921725 |
12 | 948b1b5 |
13 | 5a7351a |
14 | 3a23c6d |
15 | 26e260b |
hex | 1ac1359 |
28054361 has 8 divisors (see below), whose sum is σ = 28796064. Its totient is φ = 27316800.
The previous prime is 28054357. The next prime is 28054363. The reversal of 28054361 is 16345082.
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 28054361 - 22 = 28054357 is a prime.
It is a super-2 number, since 2×280543612 = 1574094342236642, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (28054363) 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, 16430 + ... + 18056.
It is an arithmetic number, because the mean of its divisors is an integer number (3599508).
Almost surely, 228054361 is an apocalyptic number.
It is an amenable number.
28054361 is a deficient number, since it is larger than the sum of its proper divisors (741703).
28054361 is a wasteful number, since it uses less digits than its factorization.
28054361 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2071.
The product of its (nonzero) digits is 5760, while the sum is 29.
The square root of 28054361 is about 5296.6367630790. The cubic root of 28054361 is about 303.8552844507.
The spelling of 28054361 in words is "twenty-eight million, fifty-four thousand, three hundred sixty-one".
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