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14161361 = 82317207
BaseRepresentation
bin110110000001…
…010111010001
3222122110201212
4312001113101
512111130421
61223305505
7231240524
oct66012721
928573655
1014161361
117aa2705
1248ab295
132c1aa06
141c48bbb
15139ae5b
hexd815d1

14161361 has 4 divisors (see below), whose sum is σ = 14179392. Its totient is φ = 14143332.

The previous prime is 14161351. The next prime is 14161369. The reversal of 14161361 is 16316141.

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: 16316141 = 17959773.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-14161361 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14161369) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7781 + ... + 9426.

It is an arithmetic number, because the mean of its divisors is an integer number (3544848).

Almost surely, 214161361 is an apocalyptic number.

It is an amenable number.

14161361 is a deficient number, since it is larger than the sum of its proper divisors (18031).

14161361 is an equidigital number, since it uses as much as digits as its factorization.

14161361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18030.

The product of its digits is 432, while the sum is 23.

The square root of 14161361 is about 3763.1583809348. The cubic root of 14161361 is about 241.9366509958.

It can be divided in two parts, 14161 and 361, that multiplied together give a square (5112121 = 22612).

The spelling of 14161361 in words is "fourteen million, one hundred sixty-one thousand, three hundred sixty-one".

Divisors: 1 823 17207 14161361