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14427413 = 7211132971
BaseRepresentation
bin110111000010…
…010100010101
31000010222200122
4313002110111
512143134123
61233121325
7233426300
oct67022425
930128618
1014427413
118164590
1249b9245
132cb1b40
141cb7b37
1513eebc8
hexdc2515

14427413 has 48 divisors (see below), whose sum is σ = 20684160. Its totient is φ = 9878400.

The previous prime is 14427409. The next prime is 14427419. The reversal of 14427413 is 31472441.

It is not a de Polignac number, because 14427413 - 22 = 14427409 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14427419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 203168 + ... + 203238.

It is an arithmetic number, because the mean of its divisors is an integer number (430920).

Almost surely, 214427413 is an apocalyptic number.

14427413 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

14427413 is a deficient number, since it is larger than the sum of its proper divisors (6256747).

14427413 is a wasteful number, since it uses less digits than its factorization.

14427413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138 (or 131 counting only the distinct ones).

The product of its digits is 2688, while the sum is 26.

The square root of 14427413 is about 3798.3434547181. The cubic root of 14427413 is about 243.4423628914.

Adding to 14427413 its reverse (31472441), we get a palindrome (45899854).

The spelling of 14427413 in words is "fourteen million, four hundred twenty-seven thousand, four hundred thirteen".

Divisors: 1 7 11 13 29 49 71 77 91 143 203 319 377 497 539 637 781 923 1001 1421 2059 2233 2639 3479 4147 5467 6461 7007 10153 14413 15631 18473 22649 26767 29029 38269 45227 71071 100891 158543 187369 203203 294437 497497 1109801 1311583 2061059 14427413