Base | Representation |
---|---|
bin | 110110011111… |
… | …1001101110010 |
3 | 1222202112100000 |
4 | 1230333031302 |
5 | 24303223412 |
6 | 2500210430 |
7 | 464562603 |
oct | 154771562 |
9 | 58675300 |
10 | 28570482 |
11 | 15144476 |
12 | 9699a16 |
13 | 5bc4415 |
14 | 3b19daa |
15 | 27954dc |
hex | 1b3f372 |
28570482 has 24 divisors (see below), whose sum is σ = 64196496. Its totient is φ = 9523332.
The previous prime is 28570469. The next prime is 28570483. The reversal of 28570482 is 28407582.
It is a happy number.
28570482 is a `hidden beast` number, since 2 + 8 + 570 + 4 + 82 = 666.
It is not an unprimeable number, because it can be changed into a prime (28570483) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28908 + ... + 29879.
It is an arithmetic number, because the mean of its divisors is an integer number (2674854).
Almost surely, 228570482 is an apocalyptic number.
28570482 is an abundant number, since it is smaller than the sum of its proper divisors (35626014).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28570482 is an equidigital number, since it uses as much as digits as its factorization.
28570482 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 58804 (or 58792 counting only the distinct ones).
The product of its (nonzero) digits is 35840, while the sum is 36.
The square root of 28570482 is about 5345.1362938657. The cubic root of 28570482 is about 305.7073326303.
The spelling of 28570482 in words is "twenty-eight million, five hundred seventy thousand, four hundred eighty-two".
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