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14021311 = 174319181
BaseRepresentation
bin110101011111…
…001010111111
3222101100121211
4311133022333
512042140221
61220305251
7230115313
oct65371277
928340554
1014021311
117a07467
124842227
132b9c045
141c0db43
15136e6e1
hexd5f2bf

14021311 has 8 divisors (see below), whose sum is σ = 15192144. Its totient is φ = 12888960.

The previous prime is 14021299. The next prime is 14021317. The reversal of 14021311 is 11312041.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 14021311 - 25 = 14021279 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 14021291 and 14021300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14021317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8860 + ... + 10321.

It is an arithmetic number, because the mean of its divisors is an integer number (1899018).

Almost surely, 214021311 is an apocalyptic number.

14021311 is a deficient number, since it is larger than the sum of its proper divisors (1170833).

14021311 is a wasteful number, since it uses less digits than its factorization.

14021311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19241.

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 14021311 is about 3744.5041060199. The cubic root of 14021311 is about 241.1364561847.

Adding to 14021311 its reverse (11312041), we get a palindrome (25333352).

The spelling of 14021311 in words is "fourteen million, twenty-one thousand, three hundred eleven".

Divisors: 1 17 43 731 19181 326077 824783 14021311