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5670723 = 31890241
BaseRepresentation
bin10101101000011101000011
3101200002202210
4111220131003
52422430343
6321313203
766125502
oct25503503
911602683
105670723
113223553
121a95803
131237176
14a78839
15770333
hex568743

5670723 has 4 divisors (see below), whose sum is σ = 7560968. Its totient is φ = 3780480.

The previous prime is 5670703. The next prime is 5670757. The reversal of 5670723 is 3270765.

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

It is a de Polignac number, because none of the positive numbers 2k-5670723 is a prime.

It is a D-number.

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

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5670703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 945118 + ... + 945123.

It is an arithmetic number, because the mean of its divisors is an integer number (1890242).

Almost surely, 25670723 is an apocalyptic number.

5670723 is a deficient number, since it is larger than the sum of its proper divisors (1890245).

5670723 is a wasteful number, since it uses less digits than its factorization.

5670723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1890244.

The product of its (nonzero) digits is 8820, while the sum is 30.

The square root of 5670723 is about 2381.3279908488. The cubic root of 5670723 is about 178.3252375475.

The spelling of 5670723 in words is "five million, six hundred seventy thousand, seven hundred twenty-three".

Divisors: 1 3 1890241 5670723