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404011444 = 22101002861
BaseRepresentation
bin11000000101001…
…011100110110100
31001011012220111211
4120011023212310
51311411331234
6104031211204
713004016634
oct3005134664
91034186454
10404011444
11198065861
12b3376b04
1365917435
143b92a6c4
1525707164
hex1814b9b4

404011444 has 6 divisors (see below), whose sum is σ = 707020034. Its totient is φ = 202005720.

The previous prime is 404011429. The next prime is 404011457. The reversal of 404011444 is 444110404.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 404010000 + 1444 = 20100^2 + 38^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50501427 + ... + 50501434.

Almost surely, 2404011444 is an apocalyptic number.

It is an amenable number.

404011444 is a deficient number, since it is larger than the sum of its proper divisors (303008590).

404011444 is a wasteful number, since it uses less digits than its factorization.

404011444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101002865 (or 101002863 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 22.

The square root of 404011444 is about 20100.0359203659. The cubic root of 404011444 is about 739.2611593240.

Adding to 404011444 its reverse (444110404), we get a palindrome (848121848).

It can be divided in two parts, 40401 and 1444, that multiplied together give a square (58339044 = 76382).

The spelling of 404011444 in words is "four hundred four million, eleven thousand, four hundred forty-four".

Divisors: 1 2 4 101002861 202005722 404011444