Base | Representation |
---|---|
bin | 101000111110100… |
… | …010100010010100 |
3 | 1202220121202102101 |
4 | 220332202202110 |
5 | 2401443424103 |
6 | 152115051444 |
7 | 23015336461 |
oct | 5076424224 |
9 | 1686552371 |
10 | 687483028 |
11 | 3230801a1 |
12 | 1722a0b84 |
13 | ac578cbb |
14 | 6743a668 |
15 | 4054da1d |
hex | 28fa2894 |
687483028 has 12 divisors (see below), whose sum is σ = 1206732352. Its totient is φ = 342702360.
The previous prime is 687483007. The next prime is 687483059. The reversal of 687483028 is 820384786.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 258300 + ... + 260947.
Almost surely, 2687483028 is an apocalyptic number.
It is an amenable number.
687483028 is a deficient number, since it is larger than the sum of its proper divisors (519249324).
687483028 is a wasteful number, since it uses less digits than its factorization.
687483028 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 519582 (or 519580 counting only the distinct ones).
The product of its (nonzero) digits is 516096, while the sum is 46.
The square root of 687483028 is about 26219.8975589151. The cubic root of 687483028 is about 882.5798210964.
The spelling of 687483028 in words is "six hundred eighty-seven million, four hundred eighty-three thousand, twenty-eight".
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