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696389 = 2293041
BaseRepresentation
bin10101010000001000101
31022101021012
42222001011
5134241024
622532005
75630201
oct2520105
91271235
10696389
11436231
12297005
131b4c85
14141b01
15db50e
hexaa045

696389 has 4 divisors (see below), whose sum is σ = 699660. Its totient is φ = 693120.

The previous prime is 696379. The next prime is 696403. The reversal of 696389 is 983696.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 667489 + 28900 = 817^2 + 170^2 .

It is a cyclic number.

It is not a de Polignac number, because 696389 - 24 = 696373 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (696349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1292 + ... + 1749.

It is an arithmetic number, because the mean of its divisors is an integer number (174915).

2696389 is an apocalyptic number.

It is an amenable number.

696389 is a deficient number, since it is larger than the sum of its proper divisors (3271).

696389 is a wasteful number, since it uses less digits than its factorization.

696389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3270.

The product of its digits is 69984, while the sum is 41.

The square root of 696389 is about 834.4992510482. The cubic root of 696389 is about 88.6374596800.

The spelling of 696389 in words is "six hundred ninety-six thousand, three hundred eighty-nine".

Divisors: 1 229 3041 696389