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442344541 = 978115623
BaseRepresentation
bin11010010111011…
…010010001011101
31010211100102122011
4122113122101131
51401220011131
6111520551221
713650603142
oct3227322135
91124312564
10442344541
11207768001
12104182511
1370849342
1442a683c9
1528c7a0b1
hex1a5da45d

442344541 has 8 divisors (see below), whose sum is σ = 447535424. Its totient is φ = 437166720.

The previous prime is 442344503. The next prime is 442344557. The reversal of 442344541 is 145443244.

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

It is a cyclic number.

It is not a de Polignac number, because 442344541 - 223 = 433955933 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 (442348541) 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, 75856 + ... + 81478.

It is an arithmetic number, because the mean of its divisors is an integer number (55941928).

Almost surely, 2442344541 is an apocalyptic number.

It is an amenable number.

442344541 is a deficient number, since it is larger than the sum of its proper divisors (5190883).

442344541 is an equidigital number, since it uses as much as digits as its factorization.

442344541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6531.

The product of its digits is 30720, while the sum is 31.

The square root of 442344541 is about 21031.9885174940. The cubic root of 442344541 is about 761.9390357970.

Adding to 442344541 its reverse (145443244), we get a palindrome (587787785).

The spelling of 442344541 in words is "four hundred forty-two million, three hundred forty-four thousand, five hundred forty-one".

Divisors: 1 97 811 5623 78667 545431 4560253 442344541