Search a number
-
+
5643061 = 10354787
BaseRepresentation
bin10101100001101100110101
3101121200211021
4111201230311
52421034221
6320541141
765652034
oct25415465
911550737
105643061
113204796
121a817b1
1312276b8
14a6c71b
15767041
hex561b35

5643061 has 4 divisors (see below), whose sum is σ = 5697952. Its totient is φ = 5588172.

The previous prime is 5643059. The next prime is 5643089. The reversal of 5643061 is 1603465.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1603465 = 5320693.

It is a cyclic number.

It is not a de Polignac number, because 5643061 - 21 = 5643059 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5643041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27291 + ... + 27496.

It is an arithmetic number, because the mean of its divisors is an integer number (1424488).

Almost surely, 25643061 is an apocalyptic number.

It is an amenable number.

5643061 is a deficient number, since it is larger than the sum of its proper divisors (54891).

5643061 is a wasteful number, since it uses less digits than its factorization.

5643061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54890.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 5643061 is about 2375.5127867473. The cubic root of 5643061 is about 178.0348057174.

The spelling of 5643061 in words is "five million, six hundred forty-three thousand, sixty-one".

Divisors: 1 103 54787 5643061