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677630 = 2567763
BaseRepresentation
bin10100101011011111110
31021102112102
42211123332
5133141010
622305102
75521412
oct2453376
91242472
10677630
11423128
12288192
131a9585
14138d42
15d5ba5
hexa56fe

677630 has 8 divisors (see below), whose sum is σ = 1219752. Its totient is φ = 271048.

The previous prime is 677627. The next prime is 677639. The reversal of 677630 is 36776.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 677593 and 677602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (677639) by changing a digit.

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, 33872 + ... + 33891.

It is an arithmetic number, because the mean of its divisors is an integer number (152469).

2677630 is an apocalyptic number.

677630 is a deficient number, since it is larger than the sum of its proper divisors (542122).

677630 is a wasteful number, since it uses less digits than its factorization.

677630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67770.

The product of its (nonzero) digits is 5292, while the sum is 29.

The square root of 677630 is about 823.1828472460. The cubic root of 677630 is about 87.8343128944.

The spelling of 677630 in words is "six hundred seventy-seven thousand, six hundred thirty".

Divisors: 1 2 5 10 67763 135526 338815 677630