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14666131 = 31473101
BaseRepresentation
bin110111111100…
…100110010011
31000121010011001
4313330212103
512223304011
61242202431
7235442254
oct67744623
930533131
1014666131
118307977
124ab3417
1330666ac
141d3ab2b
15144a7c1
hexdfc993

14666131 has 4 divisors (see below), whose sum is σ = 15139264. Its totient is φ = 14193000.

The previous prime is 14666117. The next prime is 14666137. The reversal of 14666131 is 13166641.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13166641 = 27747533.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-14666131 is a prime.

It is a super-2 number, since 2×146661312 = 430190797018322, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 14666131.

It is not an unprimeable number, because it can be changed into a prime (14666137) 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, 236520 + ... + 236581.

It is an arithmetic number, because the mean of its divisors is an integer number (3784816).

Almost surely, 214666131 is an apocalyptic number.

14666131 is a deficient number, since it is larger than the sum of its proper divisors (473133).

14666131 is an equidigital number, since it uses as much as digits as its factorization.

14666131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 473132.

The product of its digits is 2592, while the sum is 28.

The square root of 14666131 is about 3829.6384946885. The cubic root of 14666131 is about 244.7777020127. Note that the first 4 decimals are identical.

The spelling of 14666131 in words is "fourteen million, six hundred sixty-six thousand, one hundred thirty-one".

Divisors: 1 31 473101 14666131