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4242441 = 37202021
BaseRepresentation
bin10000001011110000001001
321222112112110
4100023300021
52041224231
6230532533
751026430
oct20136011
97875473
104242441
112438455
121507149
13b57028
147c6117
1558c046
hex40bc09

4242441 has 8 divisors (see below), whose sum is σ = 6464704. Its totient is φ = 2424240.

The previous prime is 4242437. The next prime is 4242449. The reversal of 4242441 is 1442424.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4242441 - 22 = 4242437 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 202021 = 4242441 / (4 + 2 + 4 + 2 + 4 + 4 + 1).

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4242449) 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, 100990 + ... + 101031.

It is an arithmetic number, because the mean of its divisors is an integer number (808088).

Almost surely, 24242441 is an apocalyptic number.

It is an amenable number.

4242441 is a deficient number, since it is larger than the sum of its proper divisors (2222263).

4242441 is a wasteful number, since it uses less digits than its factorization.

4242441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202031.

The product of its digits is 1024, while the sum is 21.

The square root of 4242441 is about 2059.7186701101. The cubic root of 4242441 is about 161.8845008163.

Adding to 4242441 its reverse (1442424), we get a palindrome (5684865).

The spelling of 4242441 in words is "four million, two hundred forty-two thousand, four hundred forty-one".

Divisors: 1 3 7 21 202021 606063 1414147 4242441