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440450043 = 31127915359
BaseRepresentation
bin11010010000001…
…011101111111011
31010200210011212120
4122100023233323
51400223400133
6111412212323
713625522625
oct3220135773
91120704776
10440450043
11206693700
1210360a0a3
1370334c37
14426d3c15
1528a03ab3
hex1a40bbfb

440450043 has 24 divisors (see below), whose sum is σ = 653721600. Its totient is φ = 263543280.

The previous prime is 440450033. The next prime is 440450063. The reversal of 440450043 is 340054044.

It is not a de Polignac number, because 440450043 - 218 = 440187899 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 440449995 and 440450022.

It is not an unprimeable number, because it can be changed into a prime (440450033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20998 + ... + 36356.

It is an arithmetic number, because the mean of its divisors is an integer number (27238400).

Almost surely, 2440450043 is an apocalyptic number.

440450043 is a deficient number, since it is larger than the sum of its proper divisors (213271557).

440450043 is a wasteful number, since it uses less digits than its factorization.

440450043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15463 (or 15452 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 24.

The square root of 440450043 is about 20986.9017008228. The cubic root of 440450043 is about 760.8497207806.

The spelling of 440450043 in words is "four hundred forty million, four hundred fifty thousand, forty-three".

Divisors: 1 3 11 33 79 121 237 363 869 2607 9559 15359 28677 46077 168949 506847 1213361 1858439 3640083 5575317 13346971 40040913 146816681 440450043