Base | Representation |
---|---|
bin | 110101100011… |
… | …0000000110100 |
3 | 1221211022100010 |
4 | 1223012000310 |
5 | 24141332121 |
6 | 2441420220 |
7 | 460424334 |
oct | 153060064 |
9 | 57738303 |
10 | 28074036 |
11 | 14935491 |
12 | 949a670 |
13 | 5a7c473 |
14 | 3a2b0c4 |
15 | 26e8376 |
hex | 1ac6034 |
28074036 has 24 divisors (see below), whose sum is σ = 65903040. Its totient is φ = 9301312.
The previous prime is 28074017. The next prime is 28074037. The reversal of 28074036 is 63047082.
It is a junction number, because it is equal to n+sod(n) for n = 28073994 and 28074012.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (28074037) 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, 5001 + ... + 9008.
It is an arithmetic number, because the mean of its divisors is an integer number (2745960).
Almost surely, 228074036 is an apocalyptic number.
It is an amenable number.
28074036 is an abundant number, since it is smaller than the sum of its proper divisors (37829004).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28074036 is a wasteful number, since it uses less digits than its factorization.
28074036 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14183 (or 14181 counting only the distinct ones).
The product of its (nonzero) digits is 8064, while the sum is 30.
The square root of 28074036 is about 5298.4937482269. The cubic root of 28074036 is about 303.9263008094.
The spelling of 28074036 in words is "twenty-eight million, seventy-four thousand, thirty-six".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.091 sec. • engine limits •