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14191061 = 49928439
BaseRepresentation
bin110110001000…
…100111010101
3222200222110212
4312020213111
512113103221
61224055205
7231423233
oct66104725
928628425
1014191061
118012a55
124904505
132c2b3a1
141c55953
1513a4b5b
hexd889d5

14191061 has 4 divisors (see below), whose sum is σ = 14220000. Its totient is φ = 14162124.

The previous prime is 14191057. The next prime is 14191129. The reversal of 14191061 is 16019141.

14191061 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 16019141 = 16795923.

It is a cyclic number.

It is not a de Polignac number, because 14191061 - 22 = 14191057 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14191561) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13721 + ... + 14718.

It is an arithmetic number, because the mean of its divisors is an integer number (3555000).

Almost surely, 214191061 is an apocalyptic number.

It is an amenable number.

14191061 is a deficient number, since it is larger than the sum of its proper divisors (28939).

14191061 is an equidigital number, since it uses as much as digits as its factorization.

14191061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28938.

The product of its (nonzero) digits is 216, while the sum is 23.

The square root of 14191061 is about 3767.1024674144. The cubic root of 14191061 is about 242.1056672621.

The spelling of 14191061 in words is "fourteen million, one hundred ninety-one thousand, sixty-one".

Divisors: 1 499 28439 14191061