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706825 = 5272577
BaseRepresentation
bin10101100100100001001
31022220120201
42230210021
5140104300
623052201
76002500
oct2544411
91286521
10706825
11443059
122a1061
131b9952
14145837
15de66a
hexac909

706825 has 18 divisors (see below), whose sum is σ = 1021326. Its totient is φ = 483840.

The previous prime is 706801. The next prime is 706829. The reversal of 706825 is 528607.

It can be written as a sum of positive squares in 3 ways, for example, as 226576 + 480249 = 476^2 + 693^2 .

It is not a de Polignac number, because 706825 - 25 = 706793 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 706793 and 706802.

It is not an unprimeable number, because it can be changed into a prime (706829) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 937 + ... + 1513.

2706825 is an apocalyptic number.

It is an amenable number.

706825 is a deficient number, since it is larger than the sum of its proper divisors (314501).

706825 is a wasteful number, since it uses less digits than its factorization.

706825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 601 (or 589 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 28.

The square root of 706825 is about 840.7288504625. The cubic root of 706825 is about 89.0780361735.

The spelling of 706825 in words is "seven hundred six thousand, eight hundred twenty-five".

Divisors: 1 5 7 25 35 49 175 245 577 1225 2885 4039 14425 20195 28273 100975 141365 706825