Search a number
-
+
6442027 = 61105607
BaseRepresentation
bin11000100100110000101011
3110010021210121
4120210300223
53122121102
6350024111
7105520264
oct30446053
913107717
106442027
1136aaa99
1221a8037
131447267
14bd996b
15873b37
hex624c2b

6442027 has 4 divisors (see below), whose sum is σ = 6547696. Its totient is φ = 6336360.

The previous prime is 6442021. The next prime is 6442039. The reversal of 6442027 is 7202446.

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

It is a cyclic number.

It is not a de Polignac number, because 6442027 - 27 = 6441899 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6441992 and 6442010.

It is not an unprimeable number, because it can be changed into a prime (6442021) 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, 52743 + ... + 52864.

It is an arithmetic number, because the mean of its divisors is an integer number (1636924).

Almost surely, 26442027 is an apocalyptic number.

6442027 is a deficient number, since it is larger than the sum of its proper divisors (105669).

6442027 is a wasteful number, since it uses less digits than its factorization.

6442027 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105668.

The product of its (nonzero) digits is 2688, while the sum is 25.

The square root of 6442027 is about 2538.1148516172. The cubic root of 6442027 is about 186.0690671163.

The spelling of 6442027 in words is "six million, four hundred forty-two thousand, twenty-seven".

Divisors: 1 61 105607 6442027