Search a number
-
+
14643407 = 103142169
BaseRepresentation
bin110111110111…
…000011001111
31000112221222102
4313313003033
512222042112
61241505315
7235316102
oct67670317
930487872
1014643407
1182a1899
124aa223b
13305924c
141d32739
151443bc2
hexdf70cf

14643407 has 4 divisors (see below), whose sum is σ = 14785680. Its totient is φ = 14501136.

The previous prime is 14643389. The next prime is 14643449. The reversal of 14643407 is 70434641.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 14643407 - 214 = 14627023 is a prime.

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 14643407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14643457) 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, 70982 + ... + 71187.

It is an arithmetic number, because the mean of its divisors is an integer number (3696420).

Almost surely, 214643407 is an apocalyptic number.

14643407 is a deficient number, since it is larger than the sum of its proper divisors (142273).

14643407 is a wasteful number, since it uses less digits than its factorization.

14643407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142272.

The product of its (nonzero) digits is 8064, while the sum is 29.

The square root of 14643407 is about 3826.6704848994. The cubic root of 14643407 is about 244.6512154892.

The spelling of 14643407 in words is "fourteen million, six hundred forty-three thousand, four hundred seven".

Divisors: 1 103 142169 14643407