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14042215 = 511255313
BaseRepresentation
bin110101100100…
…010001100111
3222102102022001
4311210101213
512043322330
61220550131
7230233255
oct65442147
928372261
1014042215
117a21140
124852347
132ba8705
141c175d5
1513759ca
hexd64467

14042215 has 8 divisors (see below), whose sum is σ = 18382608. Its totient is φ = 10212480.

The previous prime is 14042201. The next prime is 14042219. The reversal of 14042215 is 51224041.

14042215 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 14042215 - 25 = 14042183 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 14042192 and 14042201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14042219) 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, 127602 + ... + 127711.

It is an arithmetic number, because the mean of its divisors is an integer number (2297826).

Almost surely, 214042215 is an apocalyptic number.

14042215 is a deficient number, since it is larger than the sum of its proper divisors (4340393).

14042215 is a wasteful number, since it uses less digits than its factorization.

14042215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255329.

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 14042215 is about 3747.2943572663. The cubic root of 14042215 is about 241.2562313262.

Adding to 14042215 its reverse (51224041), we get a palindrome (65266256).

The spelling of 14042215 in words is "fourteen million, forty-two thousand, two hundred fifteen".

Divisors: 1 5 11 55 255313 1276565 2808443 14042215