Search a number
-
+
14191261 = 72027323
BaseRepresentation
bin110110001000…
…101010011101
3222200222202021
4312020222131
512113110021
61224100141
7231423640
oct66105235
928628667
1014191261
118013117
124904651
132c2b4c6
141c55a57
1513a4c41
hexd88a9d

14191261 has 4 divisors (see below), whose sum is σ = 16218592. Its totient is φ = 12163932.

The previous prime is 14191249. The next prime is 14191279. The reversal of 14191261 is 16219141.

14191261 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.

It is a cyclic number.

It is not a de Polignac number, because 14191261 - 221 = 12094109 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 (14191201) 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, 1013655 + ... + 1013668.

It is an arithmetic number, because the mean of its divisors is an integer number (4054648).

Almost surely, 214191261 is an apocalyptic number.

It is an amenable number.

14191261 is a deficient number, since it is larger than the sum of its proper divisors (2027331).

14191261 is an equidigital number, since it uses as much as digits as its factorization.

14191261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2027330.

The product of its digits is 432, while the sum is 25.

The square root of 14191261 is about 3767.1290129222. The cubic root of 14191261 is about 242.1068046191.

The spelling of 14191261 in words is "fourteen million, one hundred ninety-one thousand, two hundred sixty-one".

Divisors: 1 7 2027323 14191261