Base | Representation |
---|---|
bin | 110110010101… |
… | …0111110111000 |
3 | 1222121022122121 |
4 | 1230222332320 |
5 | 24243100413 |
6 | 2454331024 |
7 | 464066152 |
oct | 154527670 |
9 | 58538577 |
10 | 28487608 |
11 | 15098186 |
12 | 9659a74 |
13 | 5b95796 |
14 | 3ad7ad2 |
15 | 277ab8d |
hex | 1b2afb8 |
28487608 has 16 divisors (see below), whose sum is σ = 53775000. Its totient is φ = 14147616.
The previous prime is 28487603. The next prime is 28487617. The reversal of 28487608 is 80678482.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (28487603) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10758 + ... + 13141.
Almost surely, 228487608 is an apocalyptic number.
It is an amenable number.
28487608 is a deficient number, since it is larger than the sum of its proper divisors (25287392).
28487608 is a wasteful number, since it uses less digits than its factorization.
28487608 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 24054 (or 24050 counting only the distinct ones).
The product of its (nonzero) digits is 172032, while the sum is 43.
The square root of 28487608 is about 5337.3783826894. The cubic root of 28487608 is about 305.4114593637.
The spelling of 28487608 in words is "twenty-eight million, four hundred eighty-seven thousand, six hundred eight".
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