Search a number
-
+
6650442 = 232369469
BaseRepresentation
bin11001010111101001001010
3110111212200200
4121113221022
53200303232
6354313030
7110346021
oct31275112
913455620
106650442
113832637
122288776
1314bb096
14c518b8
158b577c
hex657a4a

6650442 has 12 divisors (see below), whose sum is σ = 14409330. Its totient is φ = 2216808.

The previous prime is 6650431. The next prime is 6650443. The reversal of 6650442 is 2440566.

It is a happy number.

6650442 is a `hidden beast` number, since 6 + 650 + 4 + 4 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 6610041 + 40401 = 2571^2 + 201^2 .

It is not an unprimeable number, because it can be changed into a prime (6650443) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 184717 + ... + 184752.

Almost surely, 26650442 is an apocalyptic number.

6650442 is an abundant number, since it is smaller than the sum of its proper divisors (7758888).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6650442 is a wasteful number, since it uses less digits than its factorization.

6650442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 369477 (or 369474 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 6650442 is about 2578.8450903457. The cubic root of 6650442 is about 188.0544017905.

The spelling of 6650442 in words is "six million, six hundred fifty thousand, four hundred forty-two".

Divisors: 1 2 3 6 9 18 369469 738938 1108407 2216814 3325221 6650442