Base | Representation |
---|---|
bin | 110101011110… |
… | …0111011100101 |
3 | 1221202102022101 |
4 | 1222330323211 |
5 | 24134134322 |
6 | 2440532101 |
7 | 460211023 |
oct | 152747345 |
9 | 57672271 |
10 | 28036837 |
11 | 1490a544 |
12 | 9481031 |
13 | 5a6855a |
14 | 3a1b713 |
15 | 26dc327 |
hex | 1abcee5 |
28036837 has 8 divisors (see below), whose sum is σ = 29576160. Its totient is φ = 26503920.
The previous prime is 28036807. The next prime is 28036867. The reversal of 28036837 is 73863082.
It is an interprime number because it is at equal distance from previous prime (28036807) and next prime (28036867).
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 28036837 - 27 = 28036709 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 28036796 and 28036805.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (28036807) 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, 9387 + ... + 12007.
It is an arithmetic number, because the mean of its divisors is an integer number (3697020).
Almost surely, 228036837 is an apocalyptic number.
It is an amenable number.
28036837 is a deficient number, since it is larger than the sum of its proper divisors (1539323).
28036837 is a wasteful number, since it uses less digits than its factorization.
28036837 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3203.
The product of its (nonzero) digits is 48384, while the sum is 37.
The square root of 28036837 is about 5294.9822473735. The cubic root of 28036837 is about 303.7920041039.
The spelling of 28036837 in words is "twenty-eight million, thirty-six thousand, eight hundred thirty-seven".
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