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14440413 = 313479773
BaseRepresentation
bin110111000101…
…011111011101
31000011122112010
4313011133131
512144043123
61233301433
7233512221
oct67053735
930148463
1014440413
118173329
124a04879
132cb7a30
141cbc781
151403993
hexdc57dd

14440413 has 16 divisors (see below), whose sum is σ = 20805120. Its totient is φ = 8856384.

The previous prime is 14440409. The next prime is 14440457. The reversal of 14440413 is 31404441.

It is not a de Polignac number, because 14440413 - 22 = 14440409 is a prime.

It is a super-2 number, since 2×144404132 = 417051055221138, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 14440413.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14440493) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18295 + ... + 19067.

It is an arithmetic number, because the mean of its divisors is an integer number (1300320).

Almost surely, 214440413 is an apocalyptic number.

14440413 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

14440413 is a deficient number, since it is larger than the sum of its proper divisors (6364707).

14440413 is a wasteful number, since it uses less digits than its factorization.

14440413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1268.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 14440413 is about 3800.0543417167. The cubic root of 14440413 is about 243.5154598642.

Adding to 14440413 its reverse (31404441), we get a palindrome (45844854).

The spelling of 14440413 in words is "fourteen million, four hundred forty thousand, four hundred thirteen".

Divisors: 1 3 13 39 479 773 1437 2319 6227 10049 18681 30147 370267 1110801 4813471 14440413