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440421950 = 2528808439
BaseRepresentation
bin11010010000000…
…100111000111110
31010200201202100002
4122100010320332
51400222000300
6111411434302
713625345003
oct3220047076
91120652302
10440421950
11206674591
121035b5992
1370325207
14426c78aa
15289ea5d5
hex1a404e3e

440421950 has 12 divisors (see below), whose sum is σ = 819184920. Its totient is φ = 176168760.

The previous prime is 440421911. The next prime is 440421977. The reversal of 440421950 is 59124044.

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 in 5 ways as a sum of consecutive naturals, for example, 4404170 + ... + 4404269.

It is an arithmetic number, because the mean of its divisors is an integer number (68265410).

Almost surely, 2440421950 is an apocalyptic number.

440421950 is a deficient number, since it is larger than the sum of its proper divisors (378762970).

440421950 is a wasteful number, since it uses less digits than its factorization.

440421950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8808451 (or 8808446 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 440421950 is about 20986.2323917372. The cubic root of 440421950 is about 760.8335441403.

Adding to 440421950 its reverse (59124044), we get a palindrome (499545994).

The spelling of 440421950 in words is "four hundred forty million, four hundred twenty-one thousand, nine hundred fifty".

Divisors: 1 2 5 10 25 50 8808439 17616878 44042195 88084390 220210975 440421950