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679089 = 3534271
BaseRepresentation
bin10100101110010110001
31021111112110
42211302301
5133212324
622315533
75525565
oct2456261
91244473
10679089
11424234
12288ba9
131aa138
141396a5
15d6329
hexa5cb1

679089 has 8 divisors (see below), whose sum is σ = 922752. Its totient is φ = 444080.

The previous prime is 679087. The next prime is 679111. The reversal of 679089 is 980976.

679089 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 679089 - 21 = 679087 is a prime.

It is a super-2 number, since 2×6790892 = 922323739842, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (679087) 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, 1977 + ... + 2294.

It is an arithmetic number, because the mean of its divisors is an integer number (115344).

2679089 is an apocalyptic number.

It is an amenable number.

679089 is a deficient number, since it is larger than the sum of its proper divisors (243663).

679089 is a wasteful number, since it uses less digits than its factorization.

679089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4327.

The product of its (nonzero) digits is 27216, while the sum is 39.

The square root of 679089 is about 824.0685651085. The cubic root of 679089 is about 87.8973061696.

The spelling of 679089 in words is "six hundred seventy-nine thousand, eighty-nine".

Divisors: 1 3 53 159 4271 12813 226363 679089