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442321301 = 1125739293
BaseRepresentation
bin11010010111010…
…100100110010101
31010211022020202102
4122113110212111
51401213240201
6111520251445
713650445322
oct3227244625
91124266672
10442321301
112077515a4
12104170b85
137083b8a6
1442a5db49
1528c7326b
hex1a5d4995

442321301 has 4 divisors (see below), whose sum is σ = 442371852. Its totient is φ = 442270752.

The previous prime is 442321279. The next prime is 442321333. The reversal of 442321301 is 103123244.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 401040676 + 41280625 = 20026^2 + 6425^2 .

It is a cyclic number.

It is not a de Polignac number, because 442321301 - 214 = 442304917 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 (442321391) 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, 8390 + ... + 30903.

It is an arithmetic number, because the mean of its divisors is an integer number (110592963).

Almost surely, 2442321301 is an apocalyptic number.

It is an amenable number.

442321301 is a deficient number, since it is larger than the sum of its proper divisors (50551).

442321301 is a wasteful number, since it uses less digits than its factorization.

442321301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50550.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 442321301 is about 21031.4360184938. The cubic root of 442321301 is about 761.9256919201.

Adding to 442321301 its reverse (103123244), we get a palindrome (545444545).

The spelling of 442321301 in words is "four hundred forty-two million, three hundred twenty-one thousand, three hundred one".

Divisors: 1 11257 39293 442321301