Search a number
-
+
442421241 = 3370139847
BaseRepresentation
bin11010010111101…
…100111111111001
31010211111022211220
4122113230333321
51401224434431
6111522342253
713651342563
oct3227547771
91124438756
10442421241
1120780a699
121041ba989
1370875222
1442a88333
1528c92b96
hex1a5ecff9

442421241 has 8 divisors (see below), whose sum is σ = 590069184. Its totient is φ = 294860400.

The previous prime is 442421219. The next prime is 442421249. The reversal of 442421241 is 142124244.

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

It is not a de Polignac number, because 442421241 - 222 = 438226937 is a prime.

It is not an unprimeable number, because it can be changed into a prime (442421249) 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, 8821 + ... + 31026.

It is an arithmetic number, because the mean of its divisors is an integer number (73758648).

Almost surely, 2442421241 is an apocalyptic number.

It is an amenable number.

442421241 is a deficient number, since it is larger than the sum of its proper divisors (147647943).

442421241 is a wasteful number, since it uses less digits than its factorization.

442421241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43551.

The product of its digits is 2048, while the sum is 24.

The square root of 442421241 is about 21033.8118513977. The cubic root of 442421241 is about 761.9830718679.

Adding to 442421241 its reverse (142124244), we get a palindrome (584545485).

The spelling of 442421241 in words is "four hundred forty-two million, four hundred twenty-one thousand, two hundred forty-one".

Divisors: 1 3 3701 11103 39847 119541 147473747 442421241