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44421430 = 25191132069
BaseRepresentation
bin1010100101110…
…1000100110110
310002120211202011
42221131010312
542332441210
64224034434
71046401354
oct251350466
9102524664
1044421430
1123090529
1212a62a1a
139284191
145c847d4
153d76d8a
hex2a5d136

44421430 has 32 divisors (see below), whose sum is σ = 84952800. Its totient is φ = 16676352.

The previous prime is 44421407. The next prime is 44421457. The reversal of 44421430 is 3412444.

44421430 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 15 ways as a sum of consecutive naturals, for example, 20436 + ... + 22504.

It is an arithmetic number, because the mean of its divisors is an integer number (2654775).

Almost surely, 244421430 is an apocalyptic number.

44421430 is a deficient number, since it is larger than the sum of its proper divisors (40531370).

44421430 is a wasteful number, since it uses less digits than its factorization.

44421430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2208.

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 44421430 is about 6664.9403598232. The cubic root of 44421430 is about 354.1583712628.

Adding to 44421430 its reverse (3412444), we get a palindrome (47833874).

The spelling of 44421430 in words is "forty-four million, four hundred twenty-one thousand, four hundred thirty".

Divisors: 1 2 5 10 19 38 95 113 190 226 565 1130 2069 2147 4138 4294 10345 10735 20690 21470 39311 78622 196555 233797 393110 467594 1168985 2337970 4442143 8884286 22210715 44421430