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443100040 = 23511077501
BaseRepresentation
bin11010011010010…
…010101110001000
31010212202210222121
4122122102232020
51401413200130
6111545101024
713660200565
oct3232225610
91125683877
10443100040
11208133689
12104487774
1370a52196
1442bc386c
1528d78d7a
hex1a692b88

443100040 has 16 divisors (see below), whose sum is σ = 996975180. Its totient is φ = 177240000.

The previous prime is 443100017. The next prime is 443100041. The reversal of 443100040 is 40001344.

It can be written as a sum of positive squares in 2 ways, for example, as 439573156 + 3526884 = 20966^2 + 1878^2 .

It is a junction number, because it is equal to n+sod(n) for n = 443099987 and 443100023.

It is not an unprimeable number, because it can be changed into a prime (443100041) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 5538711 + ... + 5538790.

Almost surely, 2443100040 is an apocalyptic number.

443100040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

443100040 is an abundant number, since it is smaller than the sum of its proper divisors (553875140).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

443100040 is a wasteful number, since it uses less digits than its factorization.

443100040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11077512 (or 11077508 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 443100040 is about 21049.9415676149. The cubic root of 443100040 is about 762.3725717360.

Adding to 443100040 its reverse (40001344), we get a palindrome (483101384).

The spelling of 443100040 in words is "four hundred forty-three million, one hundred thousand, forty".

Divisors: 1 2 4 5 8 10 20 40 11077501 22155002 44310004 55387505 88620008 110775010 221550020 443100040