Base | Representation |
---|---|
bin | 110110101011… |
… | …1110010101010 |
3 | 1222221122102022 |
4 | 1231113302222 |
5 | 24314434041 |
6 | 2502304442 |
7 | 465462230 |
oct | 155276252 |
9 | 58848368 |
10 | 28671146 |
11 | 15203069 |
12 | 9728122 |
13 | 5c2b19a |
14 | 3b44950 |
15 | 27b524b |
hex | 1b57caa |
28671146 has 32 divisors (see below), whose sum is σ = 52410240. Its totient is φ = 11483136.
The previous prime is 28671143. The next prime is 28671191. The reversal of 28671146 is 64117682.
It is a super-2 number, since 2×286711462 = 1644069225906632, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (28671143) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42266 + ... + 42938.
It is an arithmetic number, because the mean of its divisors is an integer number (1637820).
Almost surely, 228671146 is an apocalyptic number.
28671146 is a deficient number, since it is larger than the sum of its proper divisors (23739094).
28671146 is a wasteful number, since it uses less digits than its factorization.
28671146 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 878.
The product of its digits is 16128, while the sum is 35.
The square root of 28671146 is about 5354.5444250655. The cubic root of 28671146 is about 306.0659504425.
The spelling of 28671146 in words is "twenty-eight million, six hundred seventy-one thousand, one hundred forty-six".
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