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706945 = 5178317
BaseRepresentation
bin10101100100110000001
31022220202011
42230212001
5140110240
623052521
76003031
oct2544601
91286664
10706945
11443158
122a1141
131b9a15
141458c1
15de6ea
hexac981

706945 has 8 divisors (see below), whose sum is σ = 898344. Its totient is φ = 532224.

The previous prime is 706943. The next prime is 706961. The reversal of 706945 is 549607.

It can be written as a sum of positive squares in 4 ways, for example, as 361201 + 345744 = 601^2 + 588^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 706945 - 21 = 706943 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (706943) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4074 + ... + 4243.

It is an arithmetic number, because the mean of its divisors is an integer number (112293).

2706945 is an apocalyptic number.

It is an amenable number.

706945 is a deficient number, since it is larger than the sum of its proper divisors (191399).

706945 is a wasteful number, since it uses less digits than its factorization.

706945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8339.

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 706945 is about 840.8002140818. The cubic root of 706945 is about 89.0830769117.

The spelling of 706945 in words is "seven hundred six thousand, nine hundred forty-five".

Divisors: 1 5 17 85 8317 41585 141389 706945