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14020105 = 511254911
BaseRepresentation
bin110101011110…
…111000001001
3222101021222011
4311132320021
512042120410
61220255521
7230111641
oct65367011
928337864
1014020105
117a06570
1248415a1
132b9b628
141c0d521
15136e18a
hexd5ee09

14020105 has 8 divisors (see below), whose sum is σ = 18353664. Its totient is φ = 10196400.

The previous prime is 14020033. The next prime is 14020109. The reversal of 14020105 is 50102041.

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

It is not a de Polignac number, because 14020105 - 27 = 14019977 is a prime.

It is a super-2 number, since 2×140201052 = 393126688422050, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14020109) 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, 127401 + ... + 127510.

It is an arithmetic number, because the mean of its divisors is an integer number (2294208).

Almost surely, 214020105 is an apocalyptic number.

It is an amenable number.

14020105 is a deficient number, since it is larger than the sum of its proper divisors (4333559).

14020105 is a wasteful number, since it uses less digits than its factorization.

14020105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 254927.

The product of its (nonzero) digits is 40, while the sum is 13.

The square root of 14020105 is about 3744.3430665472. The cubic root of 14020105 is about 241.1295424493.

Adding to 14020105 its reverse (50102041), we get a palindrome (64122146).

The spelling of 14020105 in words is "fourteen million, twenty thousand, one hundred five".

Divisors: 1 5 11 55 254911 1274555 2804021 14020105