Search a number
-
+
14949487 = 72135641
BaseRepresentation
bin111001000001…
…110001101111
31001010111211201
4321001301233
512311340422
61252230331
7241032340
oct71016157
931114751
1014949487
118490853
12500b3a7
133135667
141db20c7
1514a4727
hexe41c6f

14949487 has 4 divisors (see below), whose sum is σ = 17085136. Its totient is φ = 12813840.

The previous prime is 14949463. The next prime is 14949491. The reversal of 14949487 is 78494941.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-14949487 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14949427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1067814 + ... + 1067827.

It is an arithmetic number, because the mean of its divisors is an integer number (4271284).

Almost surely, 214949487 is an apocalyptic number.

14949487 is a deficient number, since it is larger than the sum of its proper divisors (2135649).

14949487 is an equidigital number, since it uses as much as digits as its factorization.

14949487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2135648.

The product of its digits is 290304, while the sum is 46.

The square root of 14949487 is about 3866.4566465952. The cubic root of 14949487 is about 246.3440610544.

The spelling of 14949487 in words is "fourteen million, nine hundred forty-nine thousand, four hundred eighty-seven".

Divisors: 1 7 2135641 14949487