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14131388 = 2241199433
BaseRepresentation
bin110101111010…
…000010111100
3222120221121202
4311322002330
512104201023
61222515032
7231054245
oct65720274
928527552
1014131388
117a82137
124895a78
132c0a18b
141c3bccc
151392128
hexd7a0bc

14131388 has 24 divisors (see below), whose sum is σ = 25519200. Its totient is φ = 6842880.

The previous prime is 14131387. The next prime is 14131393. The reversal of 14131388 is 88313141.

It is a super-2 number, since 2×141313882 = 399392253613088, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 14131388.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14131387) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 32420 + ... + 32852.

It is an arithmetic number, because the mean of its divisors is an integer number (1063300).

Almost surely, 214131388 is an apocalyptic number.

It is an amenable number.

14131388 is a deficient number, since it is larger than the sum of its proper divisors (11387812).

14131388 is a wasteful number, since it uses less digits than its factorization.

14131388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 677 (or 675 counting only the distinct ones).

The product of its digits is 2304, while the sum is 29.

The square root of 14131388 is about 3759.1738454081. The cubic root of 14131388 is about 241.7658413933.

The spelling of 14131388 in words is "fourteen million, one hundred thirty-one thousand, three hundred eighty-eight".

Divisors: 1 2 4 41 82 164 199 398 433 796 866 1732 8159 16318 17753 32636 35506 71012 86167 172334 344668 3532847 7065694 14131388