Search a number
-
+
4242061 = 17249533
BaseRepresentation
bin10000001011101010001101
321222112000101
4100023222031
52041221221
6230531101
751025345
oct20135215
97875011
104242061
11243813a
121506a91
13b56ac5
147c5d25
1558bd91
hex40ba8d

4242061 has 4 divisors (see below), whose sum is σ = 4491612. Its totient is φ = 3992512.

The previous prime is 4242059. The next prime is 4242109. The reversal of 4242061 is 1602424.

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

It can be written as a sum of positive squares in 2 ways, for example, as 2268036 + 1974025 = 1506^2 + 1405^2 .

It is a cyclic number.

It is not a de Polignac number, because 4242061 - 21 = 4242059 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 (4242031) 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, 124750 + ... + 124783.

It is an arithmetic number, because the mean of its divisors is an integer number (1122903).

Almost surely, 24242061 is an apocalyptic number.

It is an amenable number.

4242061 is a deficient number, since it is larger than the sum of its proper divisors (249551).

4242061 is a wasteful number, since it uses less digits than its factorization.

4242061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249550.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 4242061 is about 2059.6264224368. The cubic root of 4242061 is about 161.8796672824.

Adding to 4242061 its reverse (1602424), we get a palindrome (5844485).

It can be divided in two parts, 424 and 2061, that added together give a triangular number (2485 = T70).

The spelling of 4242061 in words is "four million, two hundred forty-two thousand, sixty-one".

Divisors: 1 17 249533 4242061