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14105240 = 2351720743
BaseRepresentation
bin110101110011…
…101010011000
3222112121202022
4311303222120
512102331430
61222154012
7230615102
oct65635230
928477668
1014105240
117a64526
124882908
132bcb2c6
141c32572
1513894e5
hexd73a98

14105240 has 32 divisors (see below), whose sum is σ = 33605280. Its totient is φ = 5309952.

The previous prime is 14105227. The next prime is 14105249. The reversal of 14105240 is 4250141.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14105249) 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, 9692 + ... + 11051.

It is an arithmetic number, because the mean of its divisors is an integer number (1050165).

Almost surely, 214105240 is an apocalyptic number.

14105240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14105240 is an abundant number, since it is smaller than the sum of its proper divisors (19500040).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

14105240 is a wasteful number, since it uses less digits than its factorization.

14105240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20771 (or 20767 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 14105240 is about 3755.6943432606. The cubic root of 14105240 is about 241.6166322629.

Adding to 14105240 its reverse (4250141), we get a palindrome (18355381).

The spelling of 14105240 in words is "fourteen million, one hundred five thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 17 20 34 40 68 85 136 170 340 680 20743 41486 82972 103715 165944 207430 352631 414860 705262 829720 1410524 1763155 2821048 3526310 7052620 14105240