Base | Representation |
---|---|
bin | 10100101010110101010 |
3 | 1021102001211 |
4 | 2211112222 |
5 | 133133130 |
6 | 22303334 |
7 | 5520415 |
oct | 2452652 |
9 | 1242054 |
10 | 677290 |
11 | 422949 |
12 | 287b4a |
13 | 1a9383 |
14 | 138b7c |
15 | d5a2a |
hex | a55aa |
677290 has 16 divisors (see below), whose sum is σ = 1234440. Its totient is φ = 267520.
The previous prime is 677239. The next prime is 677309. The reversal of 677290 is 92776.
It is a happy number.
677290 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 4 ways, for example, as 199809 + 477481 = 447^2 + 691^2 .
It is a zygodrome in base 4.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 510 + ... + 1270.
2677290 is an apocalyptic number.
677290 is a deficient number, since it is larger than the sum of its proper divisors (557150).
677290 is a wasteful number, since it uses less digits than its factorization.
677290 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 857.
The product of its (nonzero) digits is 5292, while the sum is 31.
The square root of 677290 is about 822.9763058558. The cubic root of 677290 is about 87.8196201848.
The spelling of 677290 in words is "six hundred seventy-seven thousand, two hundred ninety".
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