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14021140 = 2257100151
BaseRepresentation
bin110101011111…
…001000010100
3222101100101111
4311133020110
512042134030
61220304404
7230114650
oct65371024
928340344
1014021140
117a07321
124842104
132b9bc43
141c0da60
15136e62a
hexd5f214

14021140 has 24 divisors (see below), whose sum is σ = 33651072. Its totient is φ = 4807200.

The previous prime is 14021129. The next prime is 14021143. The reversal of 14021140 is 4112041.

14021140 is digitally balanced in base 2 and base 8, because in such bases it contains all the possibile digits an equal number of times.

14021140 is strictly pandigital in base 8.

It is a self number, because there is not a number n which added to its sum of digits gives 14021140.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14021143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49936 + ... + 50215.

It is an arithmetic number, because the mean of its divisors is an integer number (1402128).

Almost surely, 214021140 is an apocalyptic number.

14021140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14021140 is an abundant number, since it is smaller than the sum of its proper divisors (19629932).

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

14021140 is a wasteful number, since it uses less digits than its factorization.

14021140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100167 (or 100165 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 14021140 is about 3744.4812724862. The cubic root of 14021140 is about 241.1354759030.

Adding to 14021140 its reverse (4112041), we get a palindrome (18133181).

Subtracting from 14021140 its reverse (4112041), we obtain a palindrome (9909099).

It can be divided in two parts, 14021 and 140, that added together give a square (14161 = 1192).

The spelling of 14021140 in words is "fourteen million, twenty-one thousand, one hundred forty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 100151 200302 400604 500755 701057 1001510 1402114 2003020 2804228 3505285 7010570 14021140