Search a number
-
+
5641705 = 51766373
BaseRepresentation
bin10101100001010111101001
3101121121222001
4111201113221
52421013310
6320531001
765645056
oct25412751
911547861
105641705
113203773
121a80a61
131226bb4
14a6c02d
1576693a
hex5615e9

5641705 has 8 divisors (see below), whose sum is σ = 7168392. Its totient is φ = 4247808.

The previous prime is 5641687. The next prime is 5641709. The reversal of 5641705 is 5071465.

It can be written as a sum of positive squares in 4 ways, for example, as 2859481 + 2782224 = 1691^2 + 1668^2 .

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 5641705 - 27 = 5641577 is a prime.

It is a Duffinian number.

5641705 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (5641709) 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, 33102 + ... + 33271.

It is an arithmetic number, because the mean of its divisors is an integer number (896049).

Almost surely, 25641705 is an apocalyptic number.

It is an amenable number.

5641705 is a deficient number, since it is larger than the sum of its proper divisors (1526687).

5641705 is a wasteful number, since it uses less digits than its factorization.

5641705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66395.

The product of its (nonzero) digits is 4200, while the sum is 28.

The square root of 5641705 is about 2375.2273575386. The cubic root of 5641705 is about 178.0205442769.

The spelling of 5641705 in words is "five million, six hundred forty-one thousand, seven hundred five".

Divisors: 1 5 17 85 66373 331865 1128341 5641705