Base | Representation |
---|---|
bin | 110101011011… |
… | …1010000011011 |
3 | 1221201020102120 |
4 | 1222313100123 |
5 | 24132413340 |
6 | 2440232323 |
7 | 460053201 |
oct | 152672033 |
9 | 57636376 |
10 | 28013595 |
11 | 148a4035 |
12 | 946b6a3 |
13 | 5a5aabc |
14 | 3a13071 |
15 | 26d54d0 |
hex | 1ab741b |
28013595 has 8 divisors (see below), whose sum is σ = 44821776. Its totient is φ = 14940576.
The previous prime is 28013591. The next prime is 28013611. The reversal of 28013595 is 59531082.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 28013595 - 22 = 28013591 is a prime.
It is not an unprimeable number, because it can be changed into a prime (28013591) 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, 933772 + ... + 933801.
It is an arithmetic number, because the mean of its divisors is an integer number (5602722).
Almost surely, 228013595 is an apocalyptic number.
28013595 is a deficient number, since it is larger than the sum of its proper divisors (16808181).
28013595 is a wasteful number, since it uses less digits than its factorization.
28013595 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1867581.
The product of its (nonzero) digits is 10800, while the sum is 33.
The square root of 28013595 is about 5292.7870729891. The cubic root of 28013595 is about 303.7080349822.
The spelling of 28013595 in words is "twenty-eight million, thirteen thousand, five hundred ninety-five".
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