Search a number
14640666 = 232440111
BaseRepresentation
bin110111110110…
…011000011010
31000112211012220
4313312120122
512222000131
61241444510
7235305105
oct67663032
930484186
1014640666
11829a827
124aa0736
133057c21
141d3173c
151442e96
hexdf661a

14640666 has 8 divisors (see below), whose sum is σ = 29281344. Its totient is φ = 4880220.

The previous prime is 14640653. The next prime is 14640677. The reversal of 14640666 is 66604641.

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

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1220050 + ... + 1220061.

It is an arithmetic number, because the mean of its divisors is an integer number (3660168).

Almost surely, 214640666 is an apocalyptic number.

14640666 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

14640666 is a wasteful number, since it uses less digits than its factorization.

14640666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2440116.

The product of its (nonzero) digits is 20736, while the sum is 33.

The square root of 14640666 is about 3826.3123238962. The cubic root of 14640666 is about 244.6359496696.

The spelling of 14640666 in words is "fourteen million, six hundred forty thousand, six hundred sixty-six".

Divisors: 1 2 3 6 2440111 4880222 7320333 14640666