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442113441 = 371117112583
BaseRepresentation
bin11010010110100…
…001110110100001
31010210220200121220
4122112201312201
51401140112231
6111512005253
713645621320
oct3226416641
91123820556
10442113441
1120761a410
12104090829
13707980b3
1442a080b7
1528c31896
hex1a5a1da1

442113441 has 32 divisors (see below), whose sum is σ = 778180608. Its totient is φ = 216157440.

The previous prime is 442113431. The next prime is 442113449. The reversal of 442113441 is 144311244.

It is not a de Polignac number, because 442113441 - 25 = 442113409 is a prime.

It is not an unprimeable number, because it can be changed into a prime (442113449) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 52365 + ... + 60218.

It is an arithmetic number, because the mean of its divisors is an integer number (24318144).

Almost surely, 2442113441 is an apocalyptic number.

It is an amenable number.

442113441 is a deficient number, since it is larger than the sum of its proper divisors (336067167).

442113441 is a wasteful number, since it uses less digits than its factorization.

442113441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112621.

The product of its digits is 1536, while the sum is 24.

The square root of 442113441 is about 21026.4937876004. The cubic root of 442113441 is about 761.8063226678.

Adding to 442113441 its reverse (144311244), we get a palindrome (586424685).

The spelling of 442113441 in words is "four hundred forty-two million, one hundred thirteen thousand, four hundred forty-one".

Divisors: 1 3 7 11 17 21 33 51 77 119 187 231 357 561 1309 3927 112583 337749 788081 1238413 1913911 2364243 3715239 5741733 8668891 13397377 21053021 26006673 40192131 63159063 147371147 442113441