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441642131 = 7292175577
BaseRepresentation
bin11010010100101…
…110110010010011
31010210000202002222
4122110232302103
51401030022011
6111453531255
713641616250
oct3224566223
91123022088
10441642131
112073282a7
12103aa3b2b
1370661708
1442924427
1528b8bddb
hex1a52ec93

441642131 has 8 divisors (see below), whose sum is σ = 522138720. Its totient is φ = 365496768.

The previous prime is 441642107. The next prime is 441642169. The reversal of 441642131 is 131246144.

It is a happy number.

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

It is not a de Polignac number, because 441642131 - 210 = 441641107 is a prime.

It is a super-2 number, since 2×4416421312 = 390095543748442322, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 441642131.

It is not an unprimeable number, because it can be changed into a prime (441642191) 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, 1087586 + ... + 1087991.

It is an arithmetic number, because the mean of its divisors is an integer number (65267340).

Almost surely, 2441642131 is an apocalyptic number.

441642131 is a deficient number, since it is larger than the sum of its proper divisors (80496589).

441642131 is a wasteful number, since it uses less digits than its factorization.

441642131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2175613.

The product of its digits is 2304, while the sum is 26.

The square root of 441642131 is about 21015.2832719428. The cubic root of 441642131 is about 761.5355214313.

Adding to 441642131 its reverse (131246144), we get a palindrome (572888275).

The spelling of 441642131 in words is "four hundred forty-one million, six hundred forty-two thousand, one hundred thirty-one".

Divisors: 1 7 29 203 2175577 15229039 63091733 441642131