Base | Representation |
---|---|
bin | 110101011011… |
… | …0111011100110 |
3 | 1221201011121012 |
4 | 1222312323212 |
5 | 24132343022 |
6 | 2440222222 |
7 | 460046255 |
oct | 152667346 |
9 | 57634535 |
10 | 28012262 |
11 | 148a3033 |
12 | 946a972 |
13 | 5a5a305 |
14 | 3a1279c |
15 | 26d4de2 |
hex | 1ab6ee6 |
28012262 has 4 divisors (see below), whose sum is σ = 42018396. Its totient is φ = 14006130.
The previous prime is 28012241. The next prime is 28012267. The reversal of 28012262 is 26221082.
It is a semiprime because it is the product of two primes.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (28012267) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7003064 + ... + 7003067.
It is an arithmetic number, because the mean of its divisors is an integer number (10504599).
Almost surely, 228012262 is an apocalyptic number.
28012262 is a deficient number, since it is larger than the sum of its proper divisors (14006134).
28012262 is a wasteful number, since it uses less digits than its factorization.
28012262 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14006133.
The product of its (nonzero) digits is 768, while the sum is 23.
The square root of 28012262 is about 5292.6611453975. The cubic root of 28012262 is about 303.7032176875.
The spelling of 28012262 in words is "twenty-eight million, twelve thousand, two hundred sixty-two".
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