Search a number
-
+
14947638 = 235714363
BaseRepresentation
bin111001000001…
…010100110110
31001010102022020
4321001110312
512311311023
61252214010
7241024056
oct71012466
931112266
1014947638
11848a422
12500a306
133134874
141db1566
1514a3de3
hexe41536

14947638 has 16 divisors (see below), whose sum is σ = 29954496. Its totient is φ = 4972680.

The previous prime is 14947627. The next prime is 14947663. The reversal of 14947638 is 83674941.

It is an alternating number because its digits alternate between odd and even.

It is a self number, because there is not a number n which added to its sum of digits gives 14947638.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1245 + ... + 5607.

It is an arithmetic number, because the mean of its divisors is an integer number (1872156).

Almost surely, 214947638 is an apocalyptic number.

14947638 is an abundant number, since it is smaller than the sum of its proper divisors (15006858).

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

14947638 is a wasteful number, since it uses less digits than its factorization.

14947638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4939.

The product of its digits is 145152, while the sum is 42.

The square root of 14947638 is about 3866.2175313865. The cubic root of 14947638 is about 246.3339044305. Note that the first 3 decimals are identical.

The spelling of 14947638 in words is "fourteen million, nine hundred forty-seven thousand, six hundred thirty-eight".

Divisors: 1 2 3 6 571 1142 1713 3426 4363 8726 13089 26178 2491273 4982546 7473819 14947638