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5670389 = 7018089
BaseRepresentation
bin10101101000010111110101
3101200002022102
4111220113311
52422423024
6321311445
766124514
oct25502765
911602272
105670389
11322327a
121a95585
131236c7a
14a7867b
157701ae
hex5685f5

5670389 has 4 divisors (see below), whose sum is σ = 5679180. Its totient is φ = 5661600.

The previous prime is 5670373. The next prime is 5670391. The reversal of 5670389 is 9830765.

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 2079364 + 3591025 = 1442^2 + 1895^2 .

It is a cyclic number.

It is not a de Polignac number, because 5670389 - 24 = 5670373 is a prime.

It is a super-2 number, since 2×56703892 = 64306622822642, which contains 22 as substring.

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

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5670349) 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, 3344 + ... + 4745.

It is an arithmetic number, because the mean of its divisors is an integer number (1419795).

Almost surely, 25670389 is an apocalyptic number.

It is an amenable number.

5670389 is a deficient number, since it is larger than the sum of its proper divisors (8791).

5670389 is an equidigital number, since it uses as much as digits as its factorization.

5670389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8790.

The product of its (nonzero) digits is 45360, while the sum is 38.

The square root of 5670389 is about 2381.2578608794. The cubic root of 5670389 is about 178.3217364185.

The spelling of 5670389 in words is "five million, six hundred seventy thousand, three hundred eighty-nine".

Divisors: 1 701 8089 5670389