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404240332241 = 1729381156461
BaseRepresentation
bin1011110000111101001…
…10011111010111010001
31102122102012111120022002
411320132212133113101
523110341011112431
6505412213123345
741130311062454
oct5703646372721
91378365446262
10404240332241
1114648a146809
1266417329555
132c172c98b85
14157cb3d749b
15a7adce33cb
hex5e1e99f5d1

404240332241 has 8 divisors (see below), whose sum is σ = 429479996904. Its totient is φ = 379162981120.

The previous prime is 404240332217. The next prime is 404240332261. The reversal of 404240332241 is 142233042404.

It can be written as a sum of positive squares in 4 ways, for example, as 282523077841 + 121717254400 = 531529^2 + 348880^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-404240332241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (404240332201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40573250 + ... + 40583211.

It is an arithmetic number, because the mean of its divisors is an integer number (53684999613).

Almost surely, 2404240332241 is an apocalyptic number.

It is an amenable number.

404240332241 is a deficient number, since it is larger than the sum of its proper divisors (25239664663).

404240332241 is a wasteful number, since it uses less digits than its factorization.

404240332241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81156771.

The product of its (nonzero) digits is 18432, while the sum is 29.

Adding to 404240332241 its reverse (142233042404), we get a palindrome (546473374645).

The spelling of 404240332241 in words is "four hundred four billion, two hundred forty million, three hundred thirty-two thousand, two hundred forty-one".

Divisors: 1 17 293 4981 81156461 1379659837 23778843073 404240332241